72807808502 has 32 divisors (see below), whose sum is σ = 128742717600. Its totient is φ = 30444433920.

The previous prime is 72807808501. The next prime is 72807808543. The reversal of 72807808502 is 20580870827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72807808501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350627 + ... + 518222.

It is an arithmetic number, because the mean of its divisors is an integer number (4023209925).

Almost surely, 2^72807808502 is an apocalyptic number.

72807808502 is a deficient number, since it is larger than the sum of its proper divisors (55934909098).

72807808502 is a wasteful number, since it uses less digits than its factorization.

72807808502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869168.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 72807808502 in words is "seventy-two billion, eight hundred seven million, eight hundred eight thousand, five hundred two".