87796118670 has 64 divisors (see below), whose sum is σ = 227161295424. Its totient is φ = 21588295680.

The previous prime is 87796118633. The next prime is 87796118671. The reversal of 87796118670 is 7681169778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87796118671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247374 + ... + 486606.

It is an arithmetic number, because the mean of its divisors is an integer number (3549395241).

Almost surely, 2^87796118670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87796118670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113580647712).

87796118670 is an abundant number, since it is smaller than the sum of its proper divisors (139365176754).

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

87796118670 is a wasteful number, since it uses less digits than its factorization.

87796118670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240197.

The product of its (nonzero) digits is 7112448, while the sum is 60.

The spelling of 87796118670 in words is "eighty-seven billion, seven hundred ninety-six million, one hundred eighteen thousand, six hundred seventy".