87257448377824 has 24 divisors (see below), whose sum is σ = 171937352740608. Its totient is φ = 43590819110400.

The previous prime is 87257448377819. The next prime is 87257448377849. The reversal of 87257448377824 is 42877384475278.

It is a happy number.

It is a super-2 number, since 2×87257448377824² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184496297 + ... + 1184569960.

It is an arithmetic number, because the mean of its divisors is an integer number (7164056364192).

Almost surely, 2^{87257448377824} is an apocalyptic number.

It is an amenable number.

87257448377824 is a deficient number, since it is larger than the sum of its proper divisors (84679904362784).

87257448377824 is a wasteful number, since it uses less digits than its factorization.

87257448377824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369067418 (or 2369067410 counting only the distinct ones).

The product of its digits is 4720558080, while the sum is 76.

The spelling of 87257448377824 in words is "eighty-seven trillion, two hundred fifty-seven billion, four hundred forty-eight million, three hundred seventy-seven thousand, eight hundred twenty-four".