76856395 has 32 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 47351040.

The previous prime is 76856393. The next prime is 76856407. The reversal of 76856395 is 59365867.

It is not a de Polignac number, because 76856395 - 2¹ = 76856393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76856393) 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 31 ways as a sum of consecutive naturals, for example, 33144 + ... + 35386.

It is an arithmetic number, because the mean of its divisors is an integer number (3635280).

Almost surely, 2^76856395 is an apocalyptic number.

76856395 is a deficient number, since it is larger than the sum of its proper divisors (39472565).

76856395 is a wasteful number, since it uses less digits than its factorization.

76856395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its digits is 1360800, while the sum is 49.

The square root of 76856395 is about 8766.7779143765. Note that the first 3 decimals coincide. The cubic root of 76856395 is about 425.1674449773.

The spelling of 76856395 in words is "seventy-six million, eight hundred fifty-six thousand, three hundred ninety-five".