87011861360 has 20 divisors (see below), whose sum is σ = 202302577848. Its totient is φ = 34804744512.

The previous prime is 87011861327. The next prime is 87011861383. The reversal of 87011861360 is 6316811078.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×87011861360² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543824054 + ... + 543824213.

Almost surely, 2^87011861360 is an apocalyptic number.

87011861360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87011861360 is an abundant number, since it is smaller than the sum of its proper divisors (115290716488).

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

87011861360 is a wasteful number, since it uses less digits than its factorization.

87011861360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087648280 (or 1087648274 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 87011861360 in words is "eighty-seven billion, eleven million, eight hundred sixty-one thousand, three hundred sixty".