977704 has 64 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 359424.

The previous prime is 977693. The next prime is 977719. The reversal of 977704 is 407779.

977704 = T₆₄ + T₆₅ + ... + T₁₈₂.

It is a super-2 number, since 2×977704² = 1911810223232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 977704.

It is an unprimeable number.

977704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12337 + ... + 12415.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁹⁷⁷⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

977704 is an abundant number, since it is smaller than the sum of its proper divisors (1441496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977704 is a wasteful number, since it uses less digits than its factorization.

977704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 977704 is about 988.7891585166. The cubic root of 977704 is about 99.2512070864.

It can be divided in two parts, 977 and 704, that added together give a square (1681 = 41²).

The spelling of 977704 in words is "nine hundred seventy-seven thousand, seven hundred four".