157199683 has 2 divisors, whose sum is σ = 157199684. Its totient is φ = 157199682.

The previous prime is 157199639. The next prime is 157199719. The reversal of 157199683 is 386991751.

It is a strong prime.

It is an emirp because it is prime and its reverse (386991751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157199683 - 2¹³ = 157191491 is a prime.

It is not a weakly prime, because it can be changed into another prime (157139683) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78599841 + 78599842.

It is an arithmetic number, because the mean of its divisors is an integer number (78599842).

Almost surely, 2^157199683 is an apocalyptic number.

157199683 is a deficient number, since it is larger than the sum of its proper divisors (1).

157199683 is an equidigital number, since it uses as much as digits as its factorization.

157199683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 49.

The square root of 157199683 is about 12537.9297732919. The cubic root of 157199683 is about 539.6976851497.

The spelling of 157199683 in words is "one hundred fifty-seven million, one hundred ninety-nine thousand, six hundred eighty-three".