87500278902 has 32 divisors (see below), whose sum is σ = 180676952064. Its totient is φ = 28221019200.

The previous prime is 87500278897. The next prime is 87500278909. The reversal of 87500278902 is 20987200578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87500278909) 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, 1128898 + ... + 1203914.

It is an arithmetic number, because the mean of its divisors is an integer number (5646154752).

Almost surely, 2^87500278902 is an apocalyptic number.

87500278902 is an abundant number, since it is smaller than the sum of its proper divisors (93176673162).

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

87500278902 is a wasteful number, since it uses less digits than its factorization.

87500278902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81324.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 87500278902 in words is "eighty-seven billion, five hundred million, two hundred seventy-eight thousand, nine hundred two".