86474931 has 8 divisors (see below), whose sum is σ = 115415040. Its totient is φ = 57592392.

The previous prime is 86474879. The next prime is 86474933. The reversal of 86474931 is 13947468.

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

It is not a de Polignac number, because 86474931 - 2⁶ = 86474867 is a prime.

It is a super-2 number, since 2×86474931² = 14955827382909522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86474933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10755 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (14426880).

Almost surely, 2^86474931 is an apocalyptic number.

86474931 is a deficient number, since it is larger than the sum of its proper divisors (28940109).

86474931 is a wasteful number, since it uses less digits than its factorization.

86474931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785.

The product of its digits is 145152, while the sum is 42.

The square root of 86474931 is about 9299.1898034184. The cubic root of 86474931 is about 442.2115429855.

The spelling of 86474931 in words is "eighty-six million, four hundred seventy-four thousand, nine hundred thirty-one".