87806938674 has 32 divisors (see below), whose sum is σ = 216140158080. Its totient is φ = 23157873792.

The previous prime is 87806938673. The next prime is 87806938693. The reversal of 87806938674 is 47683960878.

It is not an unprimeable number, because it can be changed into a prime (87806938673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80408739 + ... + 80409830.

It is an arithmetic number, because the mean of its divisors is an integer number (6754379940).

Almost surely, 2^87806938674 is an apocalyptic number.

87806938674 is an abundant number, since it is smaller than the sum of its proper divisors (128333219406).

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

87806938674 is a wasteful number, since it uses less digits than its factorization.

87806938674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160818594.

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 87806938674 in words is "eighty-seven billion, eight hundred six million, nine hundred thirty-eight thousand, six hundred seventy-four".