87285904468 has 48 divisors (see below), whose sum is σ = 183803576320. Its totient is φ = 35430947424.

The previous prime is 87285904451. The next prime is 87285904469. The reversal of 87285904468 is 86440958278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87285904469) 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, 2527405 + ... + 2561707.

Almost surely, 2^87285904468 is an apocalyptic number.

It is an amenable number.

87285904468 is an abundant number, since it is smaller than the sum of its proper divisors (96517671852).

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

87285904468 is a wasteful number, since it uses less digits than its factorization.

87285904468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39116 (or 39114 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 87285904468 in words is "eighty-seven billion, two hundred eighty-five million, nine hundred four thousand, four hundred sixty-eight".