80995884 has 12 divisors (see below), whose sum is σ = 188990424. Its totient is φ = 26998624.

The previous prime is 80995883. The next prime is 80995891. The reversal of 80995884 is 48859908.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80995883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3374817 + ... + 3374840.

It is an arithmetic number, because the mean of its divisors is an integer number (15749202).

Almost surely, 2^80995884 is an apocalyptic number.

It is an amenable number.

80995884 is an abundant number, since it is smaller than the sum of its proper divisors (107994540).

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

80995884 is a wasteful number, since it uses less digits than its factorization.

80995884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749664 (or 6749662 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 80995884 is about 8999.7713304283. The cubic root of 80995884 is about 432.6675422036.

The spelling of 80995884 in words is "eighty million, nine hundred ninety-five thousand, eight hundred eighty-four".