87106753044 has 72 divisors (see below), whose sum is σ = 221075585640. Its totient is φ = 28918536192.

The previous prime is 87106753009. The next prime is 87106753051. The reversal of 87106753044 is 44035760178.

87106753044 is a `hidden beast` number, since 8 + 7 + 10 + 67 + 530 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 48021463044 + 39085290000 = 219138^2 + 197700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13256992 + ... + 13263560.

It is an arithmetic number, because the mean of its divisors is an integer number (3070494245).

Almost surely, 2^87106753044 is an apocalyptic number.

It is an amenable number.

87106753044 is an abundant number, since it is smaller than the sum of its proper divisors (133968832596).

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

87106753044 is a wasteful number, since it uses less digits than its factorization.

87106753044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009 (or 8004 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 87106753044 in words is "eighty-seven billion, one hundred six million, seven hundred fifty-three thousand, forty-four".