87489281300 has 36 divisors (see below), whose sum is σ = 189969791676. Its totient is φ = 34973952000.

The previous prime is 87489281281. The next prime is 87489281317. The reversal of 87489281300 is 318298478.

It can be written as a sum of positive squares in 6 ways, for example, as 1459698436 + 86029582864 = 38206^2 + 293308^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109901 + ... + 432500.

Almost surely, 2^87489281300 is an apocalyptic number.

It is an amenable number.

87489281300 is an abundant number, since it is smaller than the sum of its proper divisors (102480510376).

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

87489281300 is a wasteful number, since it uses less digits than its factorization.

87489281300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544028 (or 544021 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 87489281300 in words is "eighty-seven billion, four hundred eighty-nine million, two hundred eighty-one thousand, three hundred".