864601457086 has 16 divisors (see below), whose sum is σ = 1299112958304. Its totient is φ = 431563922944.

The previous prime is 864601457059. The next prime is 864601457171. The reversal of 864601457086 is 680754106468.

It is a super-2 number, since 2×864601457086² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20553471 + ... + 20595493.

It is an arithmetic number, because the mean of its divisors is an integer number (81194559894).

Almost surely, 2^864601457086 is an apocalyptic number.

864601457086 is a deficient number, since it is larger than the sum of its proper divisors (434511501218).

864601457086 is a wasteful number, since it uses less digits than its factorization.

864601457086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59315.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 864601457086 in words is "eight hundred sixty-four billion, six hundred one million, four hundred fifty-seven thousand, eighty-six".