87572740134 has 96 divisors (see below), whose sum is σ = 204618435840. Its totient is φ = 24896013120.

The previous prime is 87572740127. The next prime is 87572740187. The reversal of 87572740134 is 43104727578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1389964 + ... + 1451600.

It is an arithmetic number, because the mean of its divisors is an integer number (2131442040).

Almost surely, 2^87572740134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87572740134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102309217920).

87572740134 is an abundant number, since it is smaller than the sum of its proper divisors (117045695706).

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

87572740134 is a wasteful number, since it uses less digits than its factorization.

87572740134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61786 (or 61775 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 87572740134 in words is "eighty-seven billion, five hundred seventy-two million, seven hundred forty thousand, one hundred thirty-four".