87969274156 has 24 divisors (see below), whose sum is σ = 155327880960. Its totient is φ = 43591593600.

The previous prime is 87969274123. The next prime is 87969274193. The reversal of 87969274156 is 65147296978.

It is an unprimeable number.

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, 8505 + ... + 419536.

It is an arithmetic number, because the mean of its divisors is an integer number (6471995040).

Almost surely, 2^87969274156 is an apocalyptic number.

It is an amenable number.

87969274156 is a deficient number, since it is larger than the sum of its proper divisors (67358606804).

87969274156 is a wasteful number, since it uses less digits than its factorization.

87969274156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428505 (or 428503 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 64.

The spelling of 87969274156 in words is "eighty-seven billion, nine hundred sixty-nine million, two hundred seventy-four thousand, one hundred fifty-six".