87995142 has 12 divisors (see below), whose sum is σ = 190656180. Its totient is φ = 29331708.

The previous prime is 87995119. The next prime is 87995153. The reversal of 87995142 is 24159978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2444292 + ... + 2444327.

It is an arithmetic number, because the mean of its divisors is an integer number (15888015).

Almost surely, 2^87995142 is an apocalyptic number.

87995142 is an abundant number, since it is smaller than the sum of its proper divisors (102661038).

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

87995142 is a wasteful number, since it uses less digits than its factorization.

87995142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888627 (or 4888624 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 87995142 is about 9380.5725838032. The cubic root of 87995142 is about 444.7878330426.

The spelling of 87995142 in words is "eighty-seven million, nine hundred ninety-five thousand, one hundred forty-two".