87807801536 has 168 divisors, whose sum is σ = 219836329440. Its totient is φ = 33886126080.

The previous prime is 87807801457. The next prime is 87807801539. The reversal of 87807801536 is 63510870878.

It is not an unprimeable number, because it can be changed into a prime (87807801539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9785660 + ... + 9794628.

It is an arithmetic number, because the mean of its divisors is an integer number (1308549580).

Almost surely, 2^87807801536 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 87807801536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109918164720).

87807801536 is an abundant number, since it is smaller than the sum of its proper divisors (132028527904).

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

87807801536 is a wasteful number, since it uses less digits than its factorization.

87807801536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083 (or 9032 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 87807801536 in words is "eighty-seven billion, eight hundred seven million, eight hundred one thousand, five hundred thirty-six".