76834857 has 16 divisors (see below), whose sum is σ = 113019840. Its totient is φ = 46041600.

The previous prime is 76834853. The next prime is 76834859. The reversal of 76834857 is 75843867.

It is not a de Polignac number, because 76834857 - 2² = 76834853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76834853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10144 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (7063740).

Almost surely, 2^76834857 is an apocalyptic number.

It is an amenable number.

76834857 is a deficient number, since it is larger than the sum of its proper divisors (36184983).

76834857 is a wasteful number, since it uses less digits than its factorization.

76834857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26264.

The product of its digits is 1128960, while the sum is 48.

The square root of 76834857 is about 8765.5494408508. The cubic root of 76834857 is about 425.1277253940.

The spelling of 76834857 in words is "seventy-six million, eight hundred thirty-four thousand, eight hundred fifty-seven".