86256343738 has 16 divisors (see below), whose sum is σ = 129517387200. Its totient is φ = 43083907776.

The previous prime is 86256343577. The next prime is 86256343739. The reversal of 86256343738 is 83734365268.

It is not an unprimeable number, because it can be changed into a prime (86256343739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9911313 + ... + 9920011.

It is an arithmetic number, because the mean of its divisors is an integer number (8094836700).

Almost surely, 2^86256343738 is an apocalyptic number.

86256343738 is a deficient number, since it is larger than the sum of its proper divisors (43261043462).

86256343738 is a wasteful number, since it uses less digits than its factorization.

86256343738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221.

The product of its digits is 17418240, while the sum is 55.

The spelling of 86256343738 in words is "eighty-six billion, two hundred fifty-six million, three hundred forty-three thousand, seven hundred thirty-eight".