770806 has 4 divisors (see below), whose sum is σ = 1156212. Its totient is φ = 385402.

The previous prime is 770801. The next prime is 770813. The reversal of 770806 is 608077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608077 = 151 ⋅4027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770801) by changing a digit.

770806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192700 + ... + 192703.

It is an arithmetic number, because the mean of its divisors is an integer number (289053).

2⁷⁷⁰⁸⁰⁶ is an apocalyptic number.

770806 is a deficient number, since it is larger than the sum of its proper divisors (385406).

770806 is a wasteful number, since it uses less digits than its factorization.

770806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385405.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 770806 is about 877.9555797419. The cubic root of 770806 is about 91.6885339934.

The spelling of 770806 in words is "seven hundred seventy thousand, eight hundred six".