86256167400623 has 4 divisors (see below), whose sum is σ = 94097637164328. Its totient is φ = 78414697636920.

The previous prime is 86256167400589. The next prime is 86256167400661. The reversal of 86256167400623 is 32600476165268.

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

It is a cyclic number.

It is not a de Polignac number, because 86256167400623 - 2³⁸ = 85981289493679 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 (86256167400223) 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, 3920734881836 + ... + 3920734881857.

It is an arithmetic number, because the mean of its divisors is an integer number (23524409291082).

Almost surely, 2^{86256167400623} is an apocalyptic number.

86256167400623 is a deficient number, since it is larger than the sum of its proper divisors (7841469763705).

86256167400623 is a wasteful number, since it uses less digits than its factorization.

86256167400623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841469763704.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 86256167400623 in words is "eighty-six trillion, two hundred fifty-six billion, one hundred sixty-seven million, four hundred thousand, six hundred twenty-three".