80690902 has 8 divisors (see below), whose sum is σ = 121124016. Its totient is φ = 40316232.

The previous prime is 80690899. The next prime is 80690933. The reversal of 80690902 is 20909608.

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

It is a super-2 number, since 2×80690902² = 13022043331147208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10978 + ... + 16789.

It is an arithmetic number, because the mean of its divisors is an integer number (15140502).

Almost surely, 2^80690902 is an apocalyptic number.

80690902 is a deficient number, since it is larger than the sum of its proper divisors (40433114).

80690902 is a wasteful number, since it uses less digits than its factorization.

80690902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29222.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 80690902 is about 8982.8114752565. The cubic root of 80690902 is about 432.1238035371.

The spelling of 80690902 in words is "eighty million, six hundred ninety thousand, nine hundred two".