86356657597 has 4 divisors (see below), whose sum is σ = 98693322976. Its totient is φ = 74019992220.

The previous prime is 86356657483. The next prime is 86356657631. The reversal of 86356657597 is 79575665368.

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 not a de Polignac number, because 86356657597 - 2⁷ = 86356657469 is a prime.

It is a super-2 number, since 2×86356657597² (a number of 23 digits) 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 (86356652597) 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, 6168332679 + ... + 6168332692.

It is an arithmetic number, because the mean of its divisors is an integer number (24673330744).

Almost surely, 2^86356657597 is an apocalyptic number.

It is an amenable number.

86356657597 is a deficient number, since it is larger than the sum of its proper divisors (12336665379).

86356657597 is a wasteful number, since it uses less digits than its factorization.

86356657597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12336665378.

The product of its digits is 285768000, while the sum is 67.

The spelling of 86356657597 in words is "eighty-six billion, three hundred fifty-six million, six hundred fifty-seven thousand, five hundred ninety-seven".