86256720713 has 4 divisors (see below), whose sum is σ = 86373442320. Its totient is φ = 86139999108.

The previous prime is 86256720673. The next prime is 86256720769. The reversal of 86256720713 is 31702765268.

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 86256720713 - 2¹² = 86256716617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86256720013) 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, 58359695 + ... + 58361172.

It is an arithmetic number, because the mean of its divisors is an integer number (21593360580).

Almost surely, 2^86256720713 is an apocalyptic number.

It is an amenable number.

86256720713 is a deficient number, since it is larger than the sum of its proper divisors (116721607).

86256720713 is a wasteful number, since it uses less digits than its factorization.

86256720713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116721606.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 86256720713 in words is "eighty-six billion, two hundred fifty-six million, seven hundred twenty thousand, seven hundred thirteen".