81076592 has 10 divisors (see below), whose sum is σ = 157085928. Its totient is φ = 40538288.

The previous prime is 81076579. The next prime is 81076607. The reversal of 81076592 is 29567018.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2533628 + ... + 2533659.

Almost surely, 2^81076592 is an apocalyptic number.

It is an amenable number.

81076592 is a deficient number, since it is larger than the sum of its proper divisors (76009336).

81076592 is a wasteful number, since it uses less digits than its factorization.

81076592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067295 (or 5067289 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 81076592 is about 9004.2541056992. The cubic root of 81076592 is about 432.8112044004.

The spelling of 81076592 in words is "eighty-one million, seventy-six thousand, five hundred ninety-two".