772935138 has 12 divisors (see below), whose sum is σ = 1674692838. Its totient is φ = 257645040.

The previous prime is 772935133. The next prime is 772935139. The reversal of 772935138 is 831539277.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 469025649 + 303909489 = 21657^2 + 17433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 772935093 and 772935102.

It is not an unprimeable number, because it can be changed into a prime (772935133) 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 5 ways as a sum of consecutive naturals, for example, 21470403 + ... + 21470438.

Almost surely, 2^772935138 is an apocalyptic number.

772935138 is an abundant number, since it is smaller than the sum of its proper divisors (901757700).

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

772935138 is a wasteful number, since it uses less digits than its factorization.

772935138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42940849 (or 42940846 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 772935138 is about 27801.7110624508. The cubic root of 772935138 is about 917.7287777222.

The spelling of 772935138 in words is "seven hundred seventy-two million, nine hundred thirty-five thousand, one hundred thirty-eight".