776134838 has 48 divisors (see below), whose sum is σ = 1274271264. Its totient is φ = 354257280.

The previous prime is 776134753. The next prime is 776134861. The reversal of 776134838 is 838431677.

It is a junction number, because it is equal to n+sod(n) for n = 776134792 and 776134801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4647431 + ... + 4647597.

It is an arithmetic number, because the mean of its divisors is an integer number (26547318).

Almost surely, 2^776134838 is an apocalyptic number.

776134838 is a deficient number, since it is larger than the sum of its proper divisors (498136426).

776134838 is a wasteful number, since it uses less digits than its factorization.

776134838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 386 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 776134838 is about 27859.1966502984. The cubic root of 776134838 is about 918.9934004688.

The spelling of 776134838 in words is "seven hundred seventy-six million, one hundred thirty-four thousand, eight hundred thirty-eight".