80692920 has 384 divisors, whose sum is σ = 339655680. Its totient is φ = 16128000.

The previous prime is 80692919. The next prime is 80692949. The reversal of 80692920 is 2929608.

It is a super-2 number, since 2×80692920² = 13022694676252800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1136485 + ... + 1136555.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^80692920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80692920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169827840).

80692920 is an abundant number, since it is smaller than the sum of its proper divisors (258962760).

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

80692920 is a wasteful number, since it uses less digits than its factorization.

80692920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 80692920 is about 8982.9238001889. The cubic root of 80692920 is about 432.1274058373.

The spelling of 80692920 in words is "eighty million, six hundred ninety-two thousand, nine hundred twenty".