72864478286 has 8 divisors (see below), whose sum is σ = 109431487704. Its totient is φ = 36387315720.

The previous prime is 72864478273. The next prime is 72864478319. The reversal of 72864478286 is 68287446827.

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

It is a congruent 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, 22459685 + ... + 22462928.

It is an arithmetic number, because the mean of its divisors is an integer number (13678935963).

Almost surely, 2^72864478286 is an apocalyptic number.

72864478286 is a deficient number, since it is larger than the sum of its proper divisors (36567009418).

72864478286 is a wasteful number, since it uses less digits than its factorization.

72864478286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44923426.

The product of its digits is 57802752, while the sum is 62.

The spelling of 72864478286 in words is "seventy-two billion, eight hundred sixty-four million, four hundred seventy-eight thousand, two hundred eighty-six".