87000060 has 96 divisors (see below), whose sum is σ = 279659520. Its totient is φ = 19795968.

The previous prime is 87000047. The next prime is 87000079. The reversal of 87000060 is 6000078.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150492 + ... + 151068.

It is an arithmetic number, because the mean of its divisors is an integer number (2913120).

Almost surely, 2^87000060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87000060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139829760).

87000060 is an abundant number, since it is smaller than the sum of its proper divisors (192659460).

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

87000060 is a wasteful number, since it uses less digits than its factorization.

87000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 87000060 is about 9327.3822694259. The cubic root of 87000060 is about 443.1048640325.

The spelling of 87000060 in words is "eighty-seven million, sixty", and thus it is an aban number and an uban number.