80994628 has 96 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 31933440.

The previous prime is 80994623. The next prime is 80994629. The reversal of 80994628 is 82649908.

80994628 is a nontrivial binomial coefficient, being equal to C(12728, 2).

It is not an unprimeable number, because it can be changed into a prime (80994623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910008 + ... + 910096.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^80994628 is an apocalyptic number.

80994628 is the 12727-th triangular number and also the 6364-th hexagonal number.

80994628 is the 4243-rd centered nonagonal number.

It is an amenable number.

80994628 is an abundant number, since it is smaller than the sum of its proper divisors (95969852).

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

80994628 is a wasteful number, since it uses less digits than its factorization.

80994628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 80994628 is about 8999.7015506071. The cubic root of 80994628 is about 432.6653057392.

The spelling of 80994628 in words is "eighty million, nine hundred ninety-four thousand, six hundred twenty-eight".