8358111864 has 96 divisors (see below), whose sum is σ = 23666497920. Its totient is φ = 2659745088.

The previous prime is 8358111857. The next prime is 8358111877. The reversal of 8358111864 is 4681118538.

8358111864 is a `hidden beast` number, since 8 + 3 + 581 + 1 + 1 + 8 + 64 = 666.

It is a super-2 number, since 2×8358111864² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901219 + ... + 910445.

It is an arithmetic number, because the mean of its divisors is an integer number (246526020).

Almost surely, 2^8358111864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8358111864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11833248960).

8358111864 is an abundant number, since it is smaller than the sum of its proper divisors (15308386056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8358111864 is a wasteful number, since it uses less digits than its factorization.

8358111864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9809 (or 9802 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 8358111864 is about 91422.7097826355. The cubic root of 8358111864 is about 2029.4081172177.

The spelling of 8358111864 in words is "eight billion, three hundred fifty-eight million, one hundred eleven thousand, eight hundred sixty-four".