87618086642 has 8 divisors (see below), whose sum is σ = 131539368432. Its totient is φ = 43771630500.

The previous prime is 87618086641. The next prime is 87618086659. The reversal of 87618086642 is 24668081678.

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

It is not an unprimeable number, because it can be changed into a prime (87618086641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18703484 + ... + 18708167.

It is an arithmetic number, because the mean of its divisors is an integer number (16442421054).

Almost surely, 2^87618086642 is an apocalyptic number.

87618086642 is a deficient number, since it is larger than the sum of its proper divisors (43921281790).

87618086642 is a wasteful number, since it uses less digits than its factorization.

87618086642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37412824.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 87618086642 in words is "eighty-seven billion, six hundred eighteen million, eighty-six thousand, six hundred forty-two".