86954643 has 24 divisors (see below), whose sum is σ = 136092528. Its totient is φ = 53286912.

The previous prime is 86954633. The next prime is 86954657. The reversal of 86954643 is 34645968.

86954643 is a `hidden beast` number, since 8 + 69 + 546 + 43 = 666.

It is not a de Polignac number, because 86954643 - 2¹² = 86950547 is a prime.

It is a super-2 number, since 2×86954643² = 15122219878514898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86954633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (5670522).

Almost surely, 2^86954643 is an apocalyptic number.

86954643 is a deficient number, since it is larger than the sum of its proper divisors (49137885).

86954643 is a wasteful number, since it uses less digits than its factorization.

86954643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283 (or 13280 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 86954643 is about 9324.9473456958. The cubic root of 86954643 is about 443.0277453251.

The spelling of 86954643 in words is "eighty-six million, nine hundred fifty-four thousand, six hundred forty-three".