86912481 has 16 divisors (see below), whose sum is σ = 117374400. Its totient is φ = 57200640.

The previous prime is 86912477. The next prime is 86912491. The reversal of 86912481 is 18421968.

It is not a de Polignac number, because 86912481 - 2² = 86912477 is a prime.

It is a super-2 number, since 2×86912481² = 15107558707150722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86912411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151926 + ... + 152496.

It is an arithmetic number, because the mean of its divisors is an integer number (7335900).

Almost surely, 2^86912481 is an apocalyptic number.

It is an amenable number.

86912481 is a deficient number, since it is larger than the sum of its proper divisors (30461919).

86912481 is a wasteful number, since it uses less digits than its factorization.

86912481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its digits is 27648, while the sum is 39.

The square root of 86912481 is about 9322.6863617736. The cubic root of 86912481 is about 442.9561296147.

The spelling of 86912481 in words is "eighty-six million, nine hundred twelve thousand, four hundred eighty-one".