72608331086 has 4 divisors (see below), whose sum is σ = 108912496632. Its totient is φ = 36304165542.

The previous prime is 72608331079. The next prime is 72608331119. The reversal of 72608331086 is 68013380627.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18152082770 + ... + 18152082773.

It is an arithmetic number, because the mean of its divisors is an integer number (27228124158).

Almost surely, 2^72608331086 is an apocalyptic number.

72608331086 is a deficient number, since it is larger than the sum of its proper divisors (36304165546).

72608331086 is a wasteful number, since it uses less digits than its factorization.

72608331086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36304165545.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 72608331086 in words is "seventy-two billion, six hundred eight million, three hundred thirty-one thousand, eighty-six".