87755743764 has 432 divisors, whose sum is σ = 270966958080. Its totient is φ = 24728146560.

The previous prime is 87755743753. The next prime is 87755743771. The reversal of 87755743764 is 46734755778.

87755743764 is a `hidden beast` number, since 8 + 7 + 7 + 557 + 4 + 3 + 76 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 96753399 + ... + 96754305.

Almost surely, 2^87755743764 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 87755743764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135483479040).

87755743764 is an abundant number, since it is smaller than the sum of its proper divisors (183211214316).

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

87755743764 is a wasteful number, since it uses less digits than its factorization.

87755743764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 975 counting only the distinct ones).

The product of its digits is 138297600, while the sum is 63.

The spelling of 87755743764 in words is "eighty-seven billion, seven hundred fifty-five million, seven hundred forty-three thousand, seven hundred sixty-four".