86541651 has 12 divisors (see below), whose sum is σ = 142862512. Its totient is φ = 49452336.

The previous prime is 86541643. The next prime is 86541691. The reversal of 86541651 is 15614568.

It is not a de Polignac number, because 86541651 - 2³ = 86541643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86541601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686776 + ... + 686901.

Almost surely, 2^86541651 is an apocalyptic number.

86541651 is a deficient number, since it is larger than the sum of its proper divisors (56320861).

86541651 is a wasteful number, since it uses less digits than its factorization.

86541651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373690 (or 1373687 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 86541651 is about 9302.7765210178. The cubic root of 86541651 is about 442.3252436422.

The spelling of 86541651 in words is "eighty-six million, five hundred forty-one thousand, six hundred fifty-one".