87075140280 has 64 divisors (see below), whose sum is σ = 274974134400. Its totient is φ = 21997929600.

The previous prime is 87075140279. The next prime is 87075140291. The reversal of 87075140280 is 8204157078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19093146 + ... + 19097705.

It is an arithmetic number, because the mean of its divisors is an integer number (4296470850).

Almost surely, 2^87075140280 is an apocalyptic number.

It is an amenable number.

87075140280 is an abundant number, since it is smaller than the sum of its proper divisors (187898994120).

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

87075140280 is a wasteful number, since it uses less digits than its factorization.

87075140280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38190884 (or 38190880 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 87075140280 in words is "eighty-seven billion, seventy-five million, one hundred forty thousand, two hundred eighty".