80610500 has 24 divisors (see below), whose sum is σ = 176054424. Its totient is φ = 32244000.

The previous prime is 80610493. The next prime is 80610511. The reversal of 80610500 is 501608.

It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 79673476 = 968^2 + 8926^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 80111 + ... + 81110.

It is an arithmetic number, because the mean of its divisors is an integer number (7335601).

Almost surely, 2^80610500 is an apocalyptic number.

It is an amenable number.

80610500 is an abundant number, since it is smaller than the sum of its proper divisors (95443924).

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

80610500 is a wasteful number, since it uses less digits than its factorization.

80610500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161240 (or 161228 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 80610500 is about 8978.3350349605. The cubic root of 80610500 is about 431.9802302910.

The spelling of 80610500 in words is "eighty million, six hundred ten thousand, five hundred".