157880719 has 2 divisors, whose sum is σ = 157880720. Its totient is φ = 157880718.

The previous prime is 157880687. The next prime is 157880729. The reversal of 157880719 is 917088751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157880719 - 2⁵ = 157880687 is a prime.

It is a super-2 number, since 2×157880719² = 49852642863913922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157880729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78940359 + 78940360.

It is an arithmetic number, because the mean of its divisors is an integer number (78940360).

Almost surely, 2^157880719 is an apocalyptic number.

157880719 is a deficient number, since it is larger than the sum of its proper divisors (1).

157880719 is an equidigital number, since it uses as much as digits as its factorization.

157880719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 157880719 is about 12565.0594507149. The cubic root of 157880719 is about 540.4759395659.

The spelling of 157880719 in words is "one hundred fifty-seven million, eight hundred eighty thousand, seven hundred nineteen".