86492957 has 4 divisors (see below), whose sum is σ = 91580796. Its totient is φ = 81405120.

The previous prime is 86492953. The next prime is 86492963. The reversal of 86492957 is 75929468.

It is a happy number.

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 73633561 + 12859396 = 8581^2 + 3586^2 .

It is a cyclic number.

It is not a de Polignac number, because 86492957 - 2² = 86492953 is a prime.

It is a super-2 number, since 2×86492957² = 14962063221207698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86492953) 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, 2543894 + ... + 2543927.

It is an arithmetic number, because the mean of its divisors is an integer number (22895199).

Almost surely, 2^86492957 is an apocalyptic number.

It is an amenable number.

86492957 is a deficient number, since it is larger than the sum of its proper divisors (5087839).

86492957 is a wasteful number, since it uses less digits than its factorization.

86492957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087838.

The product of its digits is 1088640, while the sum is 50.

The square root of 86492957 is about 9300.1589771358. The cubic root of 86492957 is about 442.2422676952.

The spelling of 86492957 in words is "eighty-six million, four hundred ninety-two thousand, nine hundred fifty-seven".