80978010 has 32 divisors (see below), whose sum is σ = 194657472. Its totient is φ = 21559680.

The previous prime is 80978003. The next prime is 80978017. The reversal of 80978010 is 1087908.

It is an interprime number because it is at equal distance from previous prime (80978003) and next prime (80978017).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80978017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21057 + ... + 24603.

It is an arithmetic number, because the mean of its divisors is an integer number (6083046).

Almost surely, 2^80978010 is an apocalyptic number.

80978010 is an abundant number, since it is smaller than the sum of its proper divisors (113679462).

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

80978010 is a wasteful number, since it uses less digits than its factorization.

80978010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 80978010 is about 8998.7782504071. The cubic root of 80978010 is about 432.6357131435.

The spelling of 80978010 in words is "eighty million, nine hundred seventy-eight thousand, ten".