87195261129 has 8 divisors (see below), whose sum is σ = 120010682112. Its totient is φ = 56255007120.

The previous prime is 87195261103. The next prime is 87195261133. The reversal of 87195261129 is 92116259178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87195261129 - 2¹⁵ = 87195228361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87195241129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468791634 + ... + 468791819.

It is an arithmetic number, because the mean of its divisors is an integer number (15001335264).

Almost surely, 2^87195261129 is an apocalyptic number.

It is an amenable number.

87195261129 is a deficient number, since it is larger than the sum of its proper divisors (32815420983).

87195261129 is a wasteful number, since it uses less digits than its factorization.

87195261129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937583487.

The product of its digits is 544320, while the sum is 51.

The spelling of 87195261129 in words is "eighty-seven billion, one hundred ninety-five million, two hundred sixty-one thousand, one hundred twenty-nine".