81076876 has 24 divisors (see below), whose sum is σ = 158140080. Its totient is φ = 36145152.

The previous prime is 81076867. The next prime is 81076889. The reversal of 81076876 is 67867018.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30085 + ... + 32668.

It is an arithmetic number, because the mean of its divisors is an integer number (6589170).

Almost surely, 2^81076876 is an apocalyptic number.

It is an amenable number.

81076876 is a deficient number, since it is larger than the sum of its proper divisors (77063204).

81076876 is a wasteful number, since it uses less digits than its factorization.

81076876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62793 (or 62791 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 81076876 is about 9004.2698760088. The cubic root of 81076876 is about 432.8117097589.

The spelling of 81076876 in words is "eighty-one million, seventy-six thousand, eight hundred seventy-six".