776513136 has 40 divisors (see below), whose sum is σ = 2292563584. Its totient is φ = 221860800.

The previous prime is 776513113. The next prime is 776513137. The reversal of 776513136 is 631315677.

It is a junction number, because it is equal to n+sod(n) for n = 776513094 and 776513103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776513137) 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, 1155190 + ... + 1155861.

Almost surely, 2^776513136 is an apocalyptic number.

It is an amenable number.

776513136 is an abundant number, since it is smaller than the sum of its proper divisors (1516050448).

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

776513136 is a wasteful number, since it uses less digits than its factorization.

776513136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311069 (or 2311063 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 776513136 is about 27865.9852867255. The cubic root of 776513136 is about 919.1426859108.

The spelling of 776513136 in words is "seven hundred seventy-six million, five hundred thirteen thousand, one hundred thirty-six".