87796118664 has 96 divisors (see below), whose sum is σ = 245304433920. Its totient is φ = 28346537088.

The previous prime is 87796118633. The next prime is 87796118671. The reversal of 87796118664 is 46681169778.

87796118664 is a `hidden beast` number, since 8 + 7 + 7 + 9 + 611 + 8 + 6 + 6 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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, 520179 + ... + 667965.

It is an arithmetic number, because the mean of its divisors is an integer number (2555254520).

Almost surely, 2^87796118664 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 87796118664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122652216960).

87796118664 is an abundant number, since it is smaller than the sum of its proper divisors (157508315256).

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

87796118664 is a wasteful number, since it uses less digits than its factorization.

87796118664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148059 (or 148052 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 87796118664 in words is "eighty-seven billion, seven hundred ninety-six million, one hundred eighteen thousand, six hundred sixty-four".