157127879 has 2 divisors, whose sum is σ = 157127880. Its totient is φ = 157127878.

The previous prime is 157127857. The next prime is 157127897. The reversal of 157127879 is 978721751.

Together with next prime (157127897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157127879 - 2¹⁶ = 157062343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157127849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78563939 + 78563940.

It is an arithmetic number, because the mean of its divisors is an integer number (78563940).

Almost surely, 2^157127879 is an apocalyptic number.

157127879 is a deficient number, since it is larger than the sum of its proper divisors (1).

157127879 is an equidigital number, since it uses as much as digits as its factorization.

157127879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 47.

The square root of 157127879 is about 12535.0659750956. The cubic root of 157127879 is about 539.6155001782.

The spelling of 157127879 in words is "one hundred fifty-seven million, one hundred twenty-seven thousand, eight hundred seventy-nine".