157961879 has 8 divisors (see below), whose sum is σ = 162147360. Its totient is φ = 153828000.

The previous prime is 157961873. The next prime is 157961897. The reversal of 157961879 is 978169751.

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 157961879 - 2⁴ = 157961863 is a prime.

It is a super-3 number, since 3×157961879³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157961879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157961873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6659 + ... + 18980.

It is an arithmetic number, because the mean of its divisors is an integer number (20268420).

Almost surely, 2^157961879 is an apocalyptic number.

157961879 is a deficient number, since it is larger than the sum of its proper divisors (4185481).

157961879 is a wasteful number, since it uses less digits than its factorization.

157961879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25801.

The product of its digits is 952560, while the sum is 53.

The square root of 157961879 is about 12568.2886265394. The cubic root of 157961879 is about 540.5685358696.

The spelling of 157961879 in words is "one hundred fifty-seven million, nine hundred sixty-one thousand, eight hundred seventy-nine".