87875898240 has 128 divisors (see below), whose sum is σ = 301651005600. Its totient is φ = 21630984192.

The previous prime is 87875898233. The next prime is 87875898259. The reversal of 87875898240 is 4289857878.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735375 + ... + 1785294.

Almost surely, 2^87875898240 is an apocalyptic number.

87875898240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87875898240 is an abundant number, since it is smaller than the sum of its proper divisors (213775107360).

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

87875898240 is a wasteful number, since it uses less digits than its factorization.

87875898240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520704 (or 3520692 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 66.

The spelling of 87875898240 in words is "eighty-seven billion, eight hundred seventy-five million, eight hundred ninety-eight thousand, two hundred forty".