157727379 has 8 divisors (see below), whose sum is σ = 221371840. Its totient is φ = 99617256.

The previous prime is 157727363. The next prime is 157727389. The reversal of 157727379 is 973727751.

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

It is not a de Polignac number, because 157727379 - 2⁴ = 157727363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157727329) 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, 1383517 + ... + 1383630.

It is an arithmetic number, because the mean of its divisors is an integer number (27671480).

Almost surely, 2^157727379 is an apocalyptic number.

157727379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

157727379 is a deficient number, since it is larger than the sum of its proper divisors (63644461).

157727379 is a wasteful number, since it uses less digits than its factorization.

157727379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767169.

The product of its digits is 648270, while the sum is 48.

The square root of 157727379 is about 12558.9561270035. The cubic root of 157727379 is about 540.3009056826.

The spelling of 157727379 in words is "one hundred fifty-seven million, seven hundred twenty-seven thousand, three hundred seventy-nine".