80297770 has 96 divisors (see below), whose sum is σ = 178409088. Its totient is φ = 25909632.

The previous prime is 80297753. The next prime is 80297771. The reversal of 80297770 is 7779208.

It is not an unprimeable number, because it can be changed into a prime (80297771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779539 + ... + 779641.

It is an arithmetic number, because the mean of its divisors is an integer number (1858428).

Almost surely, 2^80297770 is an apocalyptic number.

80297770 is an abundant number, since it is smaller than the sum of its proper divisors (98111318).

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

80297770 is a wasteful number, since it uses less digits than its factorization.

80297770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 80297770 is about 8960.9022983180. The cubic root of 80297770 is about 431.4208811004.

The spelling of 80297770 in words is "eighty million, two hundred ninety-seven thousand, seven hundred seventy".