87467581025728 has 56 divisors (see below), whose sum is σ = 177772042329728. Its totient is φ = 42676539123456.

The previous prime is 87467581025717. The next prime is 87467581025749. The reversal of 87467581025728 is 82752018576478.

It is a congruent number.

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, 12024426 + ... + 17875177.

It is an arithmetic number, because the mean of its divisors is an integer number (3174500755888).

Almost surely, 2^{87467581025728} is an apocalyptic number.

It is an amenable number.

87467581025728 is an abundant number, since it is smaller than the sum of its proper divisors (90304461304000).

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

87467581025728 is a wasteful number, since it uses less digits than its factorization.

87467581025728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29900721 (or 29900711 counting only the distinct ones).

The product of its (nonzero) digits is 421478400, while the sum is 70.

The spelling of 87467581025728 in words is "eighty-seven trillion, four hundred sixty-seven billion, five hundred eighty-one million, twenty-five thousand, seven hundred twenty-eight".