72887314586 has 8 divisors (see below), whose sum is σ = 109332117300. Its totient is φ = 36443275488.

The previous prime is 72887314543. The next prime is 72887314613. The reversal of 72887314586 is 68541378827.

It can be written as a sum of positive squares in 2 ways, for example, as 42546900361 + 30340414225 = 206269^2 + 174185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284990 + ... + 476438.

Almost surely, 2^72887314586 is an apocalyptic number.

72887314586 is a deficient number, since it is larger than the sum of its proper divisors (36444802714).

72887314586 is a wasteful number, since it uses less digits than its factorization.

72887314586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381808.

The product of its digits is 18063360, while the sum is 59.

The spelling of 72887314586 in words is "seventy-two billion, eight hundred eighty-seven million, three hundred fourteen thousand, five hundred eighty-six".