76857944 has 16 divisors (see below), whose sum is σ = 147624120. Its totient is φ = 37491520.

The previous prime is 76857929. The next prime is 76857953. The reversal of 76857944 is 44975867.

It is a junction number, because it is equal to n+sod(n) for n = 76857892 and 76857901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116834 + ... + 117489.

Almost surely, 2^76857944 is an apocalyptic number.

It is an amenable number.

76857944 is a deficient number, since it is larger than the sum of its proper divisors (70766176).

76857944 is a wasteful number, since it uses less digits than its factorization.

76857944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234370 (or 234366 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 76857944 is about 8766.8662588179. The cubic root of 76857944 is about 425.1703012998.

The spelling of 76857944 in words is "seventy-six million, eight hundred fifty-seven thousand, nine hundred forty-four".