80929866 has 8 divisors (see below), whose sum is σ = 161859744. Its totient is φ = 26976620.

The previous prime is 80929853. The next prime is 80929879. The reversal of 80929866 is 66892908.

It is an interprime number because it is at equal distance from previous prime (80929853) and next prime (80929879).

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

80929866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6744150 + ... + 6744161.

It is an arithmetic number, because the mean of its divisors is an integer number (20232468).

Almost surely, 2^80929866 is an apocalyptic number.

80929866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80929866 is a wasteful number, since it uses less digits than its factorization.

80929866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488316.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 80929866 is about 8996.1028228895. The cubic root of 80929866 is about 432.5499575870.

The spelling of 80929866 in words is "eighty million, nine hundred twenty-nine thousand, eight hundred sixty-six".