87555432108642 has 8 divisors (see below), whose sum is σ = 175110864217296. Its totient is φ = 29185144036212.

The previous prime is 87555432108619. The next prime is 87555432108659. The reversal of 87555432108642 is 24680123455578.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

87555432108642 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7296286009048 + ... + 7296286009059.

It is an arithmetic number, because the mean of its divisors is an integer number (21888858027162).

Almost surely, 2^{87555432108642} is an apocalyptic number.

87555432108642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87555432108642 is a wasteful number, since it uses less digits than its factorization.

87555432108642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592572018112.

The product of its (nonzero) digits is 64512000, while the sum is 60.

The spelling of 87555432108642 in words is "eighty-seven trillion, five hundred fifty-five billion, four hundred thirty-two million, one hundred eight thousand, six hundred forty-two".