87100240242 has 16 divisors (see below), whose sum is σ = 174455540640. Its totient is φ = 28990903392.

The previous prime is 87100240219. The next prime is 87100240277. The reversal of 87100240242 is 24204200178.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10623067 + ... + 10631262.

It is an arithmetic number, because the mean of its divisors is an integer number (10903471290).

Almost surely, 2^87100240242 is an apocalyptic number.

87100240242 is an abundant number, since it is smaller than the sum of its proper divisors (87355300398).

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

87100240242 is a wasteful number, since it uses less digits than its factorization.

87100240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255017.

The product of its (nonzero) digits is 7168, while the sum is 30.

The spelling of 87100240242 in words is "eighty-seven billion, one hundred million, two hundred forty thousand, two hundred forty-two".