87508158780 has 192 divisors, whose sum is σ = 291239359488. Its totient is φ = 19216189440.

The previous prime is 87508158763. The next prime is 87508158781. The reversal of 87508158780 is 8785180578.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 87508158780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87508158781) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1061944 + ... + 1141376.

It is an arithmetic number, because the mean of its divisors is an integer number (1516871664).

Almost surely, 2^87508158780 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 87508158780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145619679744).

87508158780 is an abundant number, since it is smaller than the sum of its proper divisors (203731200708).

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

87508158780 is a wasteful number, since it uses less digits than its factorization.

87508158780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79556 (or 79554 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 57.

The spelling of 87508158780 in words is "eighty-seven billion, five hundred eight million, one hundred fifty-eight thousand, seven hundred eighty".