76770056 has 16 divisors (see below), whose sum is σ = 157029840. Its totient is φ = 34895440.

The previous prime is 76770041. The next prime is 76770073. The reversal of 76770056 is 65007767.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436106 + ... + 436281.

It is an arithmetic number, because the mean of its divisors is an integer number (9814365).

Almost surely, 2^76770056 is an apocalyptic number.

It is an amenable number.

76770056 is an abundant number, since it is smaller than the sum of its proper divisors (80259784).

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

76770056 is a wasteful number, since it uses less digits than its factorization.

76770056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872404 (or 872400 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 76770056 is about 8761.8523155780. The cubic root of 76770056 is about 425.0081770053.

The spelling of 76770056 in words is "seventy-six million, seven hundred seventy thousand, fifty-six".