80568870 has 16 divisors (see below), whose sum is σ = 193365360. Its totient is φ = 21485024.

The previous prime is 80568833. The next prime is 80568877. The reversal of 80568870 is 7886508.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80568877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342785 + ... + 1342844.

It is an arithmetic number, because the mean of its divisors is an integer number (12085335).

Almost surely, 2^80568870 is an apocalyptic number.

80568870 is an abundant number, since it is smaller than the sum of its proper divisors (112796490).

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

80568870 is a wasteful number, since it uses less digits than its factorization.

80568870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685639.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 80568870 is about 8976.0163769904. The cubic root of 80568870 is about 431.9058543986.

The spelling of 80568870 in words is "eighty million, five hundred sixty-eight thousand, eight hundred seventy".