86574131 has 12 divisors (see below), whose sum is σ = 102092472. Its totient is φ = 73186848.

The previous prime is 86574121. The next prime is 86574151. The reversal of 86574131 is 13147568.

It is not a de Polignac number, because 86574131 - 2¹⁴ = 86557747 is a prime.

It is a super-2 number, since 2×86574131² = 14990160316810322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86574091 and 86574100.

It is not an unprimeable number, because it can be changed into a prime (86574121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8525 + ... + 15678.

It is an arithmetic number, because the mean of its divisors is an integer number (8507706).

Almost surely, 2^86574131 is an apocalyptic number.

86574131 is a deficient number, since it is larger than the sum of its proper divisors (15518341).

86574131 is a wasteful number, since it uses less digits than its factorization.

86574131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24290 (or 24283 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 86574131 is about 9304.5220726268. The cubic root of 86574131 is about 442.3805731735.

The spelling of 86574131 in words is "eighty-six million, five hundred seventy-four thousand, one hundred thirty-one".