87189960995 has 8 divisors (see below), whose sum is σ = 110782538784. Its totient is φ = 65648911744.

The previous prime is 87189960943. The next prime is 87189961013. The reversal of 87189960995 is 59906998178.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87189960995 - 2¹⁸ = 87189698851 is a prime.

It is a Duffinian 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, 512882039 + ... + 512882208.

It is an arithmetic number, because the mean of its divisors is an integer number (13847817348).

Almost surely, 2^87189960995 is an apocalyptic number.

87189960995 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87189960995 is a deficient number, since it is larger than the sum of its proper divisors (23592577789).

87189960995 is a wasteful number, since it uses less digits than its factorization.

87189960995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025764269.

The product of its (nonzero) digits is 88179840, while the sum is 71.

The spelling of 87189960995 in words is "eighty-seven billion, one hundred eighty-nine million, nine hundred sixty thousand, nine hundred ninety-five".