80920368 has 30 divisors (see below), whose sum is σ = 226465044. Its totient is φ = 26973408.

The previous prime is 80920363. The next prime is 80920423. The reversal of 80920368 is 86302908.

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

It is not an unprimeable number, because it can be changed into a prime (80920363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280830 + ... + 281117.

Almost surely, 2^80920368 is an apocalyptic number.

It is an amenable number.

80920368 is an abundant number, since it is smaller than the sum of its proper divisors (145544676).

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

80920368 is a wasteful number, since it uses less digits than its factorization.

80920368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561961 (or 561952 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80920368 is about 8995.5749121443. The cubic root of 80920368 is about 432.5330354442.

The spelling of 80920368 in words is "eighty million, nine hundred twenty thousand, three hundred sixty-eight".