87542500130 has 16 divisors (see below), whose sum is σ = 161419830264. Its totient is φ = 34162926720.

The previous prime is 87542500109. The next prime is 87542500141. The reversal of 87542500130 is 3100524578.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56168526001 + 31373974129 = 236999^2 + 177127^2 .

It is a super-2 number, since 2×87542500130² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106758737 + ... + 106759556.

Almost surely, 2^87542500130 is an apocalyptic number.

87542500130 is a deficient number, since it is larger than the sum of its proper divisors (73877330134).

87542500130 is a wasteful number, since it uses less digits than its factorization.

87542500130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213518341.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 87542500130 in words is "eighty-seven billion, five hundred forty-two million, five hundred thousand, one hundred thirty".