86172004455 has 8 divisors (see below), whose sum is σ = 137875207152. Its totient is φ = 45958402368.

The previous prime is 86172004423. The next prime is 86172004489. The reversal of 86172004455 is 55440027168.

It is a happy number.

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

It is not a de Polignac number, because 86172004455 - 2⁵ = 86172004423 is a prime.

It is a super-2 number, since 2×86172004455² (a number of 23 digits) contains 22 as substring.

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, 2872400134 + ... + 2872400163.

It is an arithmetic number, because the mean of its divisors is an integer number (17234400894).

Almost surely, 2^86172004455 is an apocalyptic number.

86172004455 is a deficient number, since it is larger than the sum of its proper divisors (51703202697).

86172004455 is a wasteful number, since it uses less digits than its factorization.

86172004455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744800305.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 86172004455 in words is "eighty-six billion, one hundred seventy-two million, four thousand, four hundred fifty-five".