76855806 has 12 divisors (see below), whose sum is σ = 166520952. Its totient is φ = 25618596.

The previous prime is 76855799. The next prime is 76855813. The reversal of 76855806 is 60855867.

76855806 is a `hidden beast` number, since 7 + 68 + 5 + 580 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (76855799) and next prime (76855813).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2134866 + ... + 2134901.

It is an arithmetic number, because the mean of its divisors is an integer number (13876746).

Almost surely, 2^76855806 is an apocalyptic number.

76855806 is an abundant number, since it is smaller than the sum of its proper divisors (89665146).

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

76855806 is a wasteful number, since it uses less digits than its factorization.

76855806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269775 (or 4269772 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 76855806 is about 8766.7443215826. The cubic root of 76855806 is about 425.1663588640.

The spelling of 76855806 in words is "seventy-six million, eight hundred fifty-five thousand, eight hundred six".