87939158736 has 320 divisors, whose sum is σ = 285021757440. Its totient is φ = 22982400000.

The previous prime is 87939158731. The next prime is 87939158743. The reversal of 87939158736 is 63785193978.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87939158731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6163611 + ... + 6177861.

It is an arithmetic number, because the mean of its divisors is an integer number (890692992).

Almost surely, 2^87939158736 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 87939158736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142510878720).

87939158736 is an abundant number, since it is smaller than the sum of its proper divisors (197082598704).

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

87939158736 is a wasteful number, since it uses less digits than its factorization.

87939158736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346 (or 14340 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 66.

The spelling of 87939158736 in words is "eighty-seven billion, nine hundred thirty-nine million, one hundred fifty-eight thousand, seven hundred thirty-six".