157180927 has 2 divisors, whose sum is σ = 157180928. Its totient is φ = 157180926.

The previous prime is 157180913. The next prime is 157180931. The reversal of 157180927 is 729081751.

It is a strong prime.

It is an emirp because it is prime and its reverse (729081751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157180927 - 2⁷ = 157180799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157180927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157184927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78590463 + 78590464.

It is an arithmetic number, because the mean of its divisors is an integer number (78590464).

Almost surely, 2^157180927 is an apocalyptic number.

157180927 is a deficient number, since it is larger than the sum of its proper divisors (1).

157180927 is an equidigital number, since it uses as much as digits as its factorization.

157180927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 157180927 is about 12537.1817806076. The cubic root of 157180927 is about 539.6762199401.

The spelling of 157180927 in words is "one hundred fifty-seven million, one hundred eighty thousand, nine hundred twenty-seven".