97774 has 16 divisors (see below), whose sum is σ = 161280. Its totient is φ = 44280.

The previous prime is 97771. The next prime is 97777. The reversal of 97774 is 47779.

It is an interprime number because it is at equal distance from previous prime (97771) and next prime (97777).

It is a plaindrome in base 14 and base 16.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

2⁹⁷⁷⁷⁴ is an apocalyptic number.

97774 is a deficient number, since it is larger than the sum of its proper divisors (63506).

97774 is a wasteful number, since it uses less digits than its factorization.

97774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135.

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

The square root of 97774 is about 312.6883432429. The cubic root of 97774 is about 46.0688948733.

It can be divided in two parts, 97 and 774, that multiplied together give a triangular number (75078 = T₃₈₇).

The spelling of 97774 in words is "ninety-seven thousand, seven hundred seventy-four".