87453867015880 has 32 divisors (see below), whose sum is σ = 199996958181240. Its totient is φ = 34408078824960.

The previous prime is 87453867015863. The next prime is 87453867015883. The reversal of 87453867015880 is 8851076835478.

It can be written as a sum of positive squares in 4 ways, for example, as 72060438500964 + 15393428514916 = 8488842^2 + 3923446^2 .

It is not an unprimeable number, because it can be changed into a prime (87453867015883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17920871949 + ... + 17920876828.

Almost surely, 2^{87453867015880} is an apocalyptic number.

It is an amenable number.

87453867015880 is an abundant number, since it is smaller than the sum of its proper divisors (112543091165360).

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

87453867015880 is a wasteful number, since it uses less digits than its factorization.

87453867015880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35841748849 (or 35841748845 counting only the distinct ones).

The product of its (nonzero) digits is 361267200, while the sum is 70.

The spelling of 87453867015880 in words is "eighty-seven trillion, four hundred fifty-three billion, eight hundred sixty-seven million, fifteen thousand, eight hundred eighty".