86460557 has 4 divisors (see below), whose sum is σ = 86528316. Its totient is φ = 86392800.

The previous prime is 86460529. The next prime is 86460559. The reversal of 86460557 is 75506468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5262436 + 81198121 = 2294^2 + 9011^2 .

It is a cyclic number.

It is not a de Polignac number, because 86460557 - 2⁸ = 86460301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86460559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31928 + ... + 34529.

It is an arithmetic number, because the mean of its divisors is an integer number (21632079).

Almost surely, 2^86460557 is an apocalyptic number.

It is an amenable number.

86460557 is a deficient number, since it is larger than the sum of its proper divisors (67759).

86460557 is a wasteful number, since it uses less digits than its factorization.

86460557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67758.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 86460557 is about 9298.4169082699. The cubic root of 86460557 is about 442.1870399268.

The spelling of 86460557 in words is "eighty-six million, four hundred sixty thousand, five hundred fifty-seven".