87140554760 has 64 divisors (see below), whose sum is σ = 225054374400. Its totient is φ = 29746273536.

The previous prime is 87140554751. The next prime is 87140554769. The reversal of 87140554760 is 6745504178.

It is an interprime number because it is at equal distance from previous prime (87140554751) and next prime (87140554769).

It is not an unprimeable number, because it can be changed into a prime (87140554769) 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, 615392 + ... + 743631.

It is an arithmetic number, because the mean of its divisors is an integer number (3516474600).

Almost surely, 2^87140554760 is an apocalyptic number.

It is an amenable number.

87140554760 is an abundant number, since it is smaller than the sum of its proper divisors (137913819640).

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

87140554760 is a wasteful number, since it uses less digits than its factorization.

87140554760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359270 (or 1359266 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 87140554760 in words is "eighty-seven billion, one hundred forty million, five hundred fifty-four thousand, seven hundred sixty".