76856166 has 12 divisors (see below), whose sum is σ = 166521732. Its totient is φ = 25618716.

The previous prime is 76856147. The next prime is 76856183. The reversal of 76856166 is 66165867.

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, 2134876 + ... + 2134911.

It is an arithmetic number, because the mean of its divisors is an integer number (13876811).

Almost surely, 2^76856166 is an apocalyptic number.

76856166 is an abundant number, since it is smaller than the sum of its proper divisors (89665566).

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

76856166 is a wasteful number, since it uses less digits than its factorization.

76856166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269795 (or 4269792 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 76856166 is about 8766.7648536960. The cubic root of 76856166 is about 425.1670227030.

The spelling of 76856166 in words is "seventy-six million, eight hundred fifty-six thousand, one hundred sixty-six".