159974677894 has 8 divisors (see below), whose sum is σ = 250395148080. Its totient is φ = 76509628536.

The previous prime is 159974677859. The next prime is 159974677931. The reversal of 159974677894 is 498776479951.

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

It is a self number, because there is not a number n which added to its sum of digits gives 159974677894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738855149 + ... + 1738855240.

It is an arithmetic number, because the mean of its divisors is an integer number (31299393510).

Almost surely, 2^159974677894 is an apocalyptic number.

159974677894 is a deficient number, since it is larger than the sum of its proper divisors (90420470186).

159974677894 is a wasteful number, since it uses less digits than its factorization.

159974677894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477710414.

The product of its digits is 960180480, while the sum is 76.

The spelling of 159974677894 in words is "one hundred fifty-nine billion, nine hundred seventy-four million, six hundred seventy-seven thousand, eight hundred ninety-four".