86476491 has 10 divisors (see below), whose sum is σ = 129181052. Its totient is φ = 57650940.

The previous prime is 86476469. The next prime is 86476513. The reversal of 86476491 is 19467468.

It is an interprime number because it is at equal distance from previous prime (86476469) and next prime (86476513).

It is not a de Polignac number, because 86476491 - 2¹⁵ = 86443723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86476591) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 533725 + ... + 533886.

Almost surely, 2^86476491 is an apocalyptic number.

86476491 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

86476491 is a deficient number, since it is larger than the sum of its proper divisors (42704561).

86476491 is a wasteful number, since it uses less digits than its factorization.

86476491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067623 (or 1067614 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86476491 is about 9299.2736813151. The cubic root of 86476491 is about 442.2142021217.

The spelling of 86476491 in words is "eighty-six million, four hundred seventy-six thousand, four hundred ninety-one".