157956479 has 8 divisors (see below), whose sum is σ = 166030560. Its totient is φ = 149982976.

The previous prime is 157956473. The next prime is 157956493. The reversal of 157956479 is 974659751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157956479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157956479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157956473) 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, 21914 + ... + 28215.

It is an arithmetic number, because the mean of its divisors is an integer number (20753820).

Almost surely, 2^157956479 is an apocalyptic number.

157956479 is a deficient number, since it is larger than the sum of its proper divisors (8074081).

157956479 is a wasteful number, since it uses less digits than its factorization.

157956479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50289.

The product of its digits is 2381400, while the sum is 53.

The square root of 157956479 is about 12568.0737983193. The cubic root of 157956479 is about 540.5623759375.

The spelling of 157956479 in words is "one hundred fifty-seven million, nine hundred fifty-six thousand, four hundred seventy-nine".