87928793808 has 20 divisors (see below), whose sum is σ = 227149384128. Its totient is φ = 29309597920.

The previous prime is 87928793803. The next prime is 87928793809. The reversal of 87928793808 is 80839782978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87928793803) 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, 915924888 + ... + 915924983.

Almost surely, 2^87928793808 is an apocalyptic number.

It is an amenable number.

87928793808 is an abundant number, since it is smaller than the sum of its proper divisors (139220590320).

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

87928793808 is a wasteful number, since it uses less digits than its factorization.

87928793808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831849882 (or 1831849876 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 69.

The spelling of 87928793808 in words is "eighty-seven billion, nine hundred twenty-eight million, seven hundred ninety-three thousand, eight hundred eight".