87625537542 has 48 divisors (see below), whose sum is σ = 193101421968. Its totient is φ = 28709778240.

The previous prime is 87625537463. The next prime is 87625537567. The reversal of 87625537542 is 24573552678.

87625537542 is a `hidden beast` number, since 8 + 7 + 62 + 5 + 5 + 37 + 542 = 666.

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, 1601428 + ... + 1655240.

It is an arithmetic number, because the mean of its divisors is an integer number (4022946291).

Almost surely, 2^87625537542 is an apocalyptic number.

87625537542 is an abundant number, since it is smaller than the sum of its proper divisors (105475884426).

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

87625537542 is a wasteful number, since it uses less digits than its factorization.

87625537542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55365 (or 55362 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 87625537542 in words is "eighty-seven billion, six hundred twenty-five million, five hundred thirty-seven thousand, five hundred forty-two".