86575425257 has 4 divisors (see below), whose sum is σ = 86610807936. Its totient is φ = 86540042580.

The previous prime is 86575425253. The next prime is 86575425259. The reversal of 86575425257 is 75252457568.

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 86575425257 - 2² = 86575425253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86575425253) 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, 17687669 + ... + 17692562.

It is an arithmetic number, because the mean of its divisors is an integer number (21652701984).

Almost surely, 2^86575425257 is an apocalyptic number.

It is an amenable number.

86575425257 is a deficient number, since it is larger than the sum of its proper divisors (35382679).

86575425257 is a wasteful number, since it uses less digits than its factorization.

86575425257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35382678.

The product of its digits is 23520000, while the sum is 56.

The spelling of 86575425257 in words is "eighty-six billion, five hundred seventy-five million, four hundred twenty-five thousand, two hundred fifty-seven".