80500538 has 16 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 39619776.

The previous prime is 80500523. The next prime is 80500571. The reversal of 80500538 is 83500508.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80500538.

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, 55223 + ... + 56661.

It is an arithmetic number, because the mean of its divisors is an integer number (7665840).

Almost surely, 2^80500538 is an apocalyptic number.

80500538 is a deficient number, since it is larger than the sum of its proper divisors (42152902).

80500538 is a wasteful number, since it uses less digits than its factorization.

80500538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 80500538 is about 8972.2092039809. The cubic root of 80500538 is about 431.7837173239.

The spelling of 80500538 in words is "eighty million, five hundred thousand, five hundred thirty-eight".