80870380 has 12 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 32348144.

The previous prime is 80870359. The next prime is 80870389. The reversal of 80870380 is 8307808.

It is a super-2 number, since 2×80870380² = 13080036722688800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80870389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021740 + ... + 2021779.

It is an arithmetic number, because the mean of its divisors is an integer number (14152320).

Almost surely, 2^80870380 is an apocalyptic number.

It is an amenable number.

80870380 is an abundant number, since it is smaller than the sum of its proper divisors (88957460).

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

80870380 is a wasteful number, since it uses less digits than its factorization.

80870380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043528 (or 4043526 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80870380 is about 8992.7960056926. The cubic root of 80870380 is about 432.4439523304.

The spelling of 80870380 in words is "eighty million, eight hundred seventy thousand, three hundred eighty".