76856438 has 8 divisors (see below), whose sum is σ = 119260080. Its totient is φ = 37103080.

The previous prime is 76856411. The next prime is 76856441. The reversal of 76856438 is 83465867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 76856392 and 76856401.

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, 662498 + ... + 662613.

It is an arithmetic number, because the mean of its divisors is an integer number (14907510).

Almost surely, 2^76856438 is an apocalyptic number.

76856438 is a deficient number, since it is larger than the sum of its proper divisors (42403642).

76856438 is a wasteful number, since it uses less digits than its factorization.

76856438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325142.

The product of its digits is 967680, while the sum is 47.

The square root of 76856438 is about 8766.7803668165. The cubic root of 76856438 is about 425.1675242689.

The spelling of 76856438 in words is "seventy-six million, eight hundred fifty-six thousand, four hundred thirty-eight".