80512810 has 16 divisors (see below), whose sum is σ = 165626496. Its totient is φ = 27604368.

The previous prime is 80512801. The next prime is 80512829. The reversal of 80512810 is 1821508.

It is a super-2 number, since 2×80512810² = 12964625148192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575022 + ... + 575161.

It is an arithmetic number, because the mean of its divisors is an integer number (10351656).

Almost surely, 2^80512810 is an apocalyptic number.

80512810 is an abundant number, since it is smaller than the sum of its proper divisors (85113686).

80512810 is a wasteful number, since it uses less digits than its factorization.

80512810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150197.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 80512810 is about 8972.8930674560. The cubic root of 80512810 is about 431.8056574694.

The spelling of 80512810 in words is "eighty million, five hundred twelve thousand, eight hundred ten".