86514451157 has 4 divisors (see below), whose sum is σ = 89305239936. Its totient is φ = 83723662380.

The previous prime is 86514451123. The next prime is 86514451169. The reversal of 86514451157 is 75115441568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86514451157 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 (86514451117) 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, 1395394343 + ... + 1395394404.

It is an arithmetic number, because the mean of its divisors is an integer number (22326309984).

Almost surely, 2^86514451157 is an apocalyptic number.

It is an amenable number.

86514451157 is a deficient number, since it is larger than the sum of its proper divisors (2790788779).

86514451157 is a wasteful number, since it uses less digits than its factorization.

86514451157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790788778.

The product of its digits is 672000, while the sum is 47.

The spelling of 86514451157 in words is "eighty-six billion, five hundred fourteen million, four hundred fifty-one thousand, one hundred fifty-seven".