87226238172 has 24 divisors (see below), whose sum is σ = 203539860496. Its totient is φ = 29073702528.

The previous prime is 87226238147. The next prime is 87226238201. The reversal of 87226238172 is 27183262278.

It is a congruent number.

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, 7938 + ... + 417750.

Almost surely, 2^87226238172 is an apocalyptic number.

It is an amenable number.

87226238172 is an abundant number, since it is smaller than the sum of its proper divisors (116313622324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87226238172 is a wasteful number, since it uses less digits than its factorization.

87226238172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427557 (or 427555 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 87226238172 in words is "eighty-seven billion, two hundred twenty-six million, two hundred thirty-eight thousand, one hundred seventy-two".