87505515130 has 16 divisors (see below), whose sum is σ = 171829011744. Its totient is φ = 31820187280.

The previous prime is 87505515103. The next prime is 87505515169. The reversal of 87505515130 is 3151550578.

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, 397752232 + ... + 397752451.

It is an arithmetic number, because the mean of its divisors is an integer number (10739313234).

Almost surely, 2^87505515130 is an apocalyptic number.

87505515130 is a deficient number, since it is larger than the sum of its proper divisors (84323496614).

87505515130 is a wasteful number, since it uses less digits than its factorization.

87505515130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795504701.

The product of its (nonzero) digits is 105000, while the sum is 40.

It can be divided in two parts, 8750551 and 5130, that added together give a square (8755681 = 2959²).

The spelling of 87505515130 in words is "eighty-seven billion, five hundred five million, five hundred fifteen thousand, one hundred thirty".