157084979 has 2 divisors, whose sum is σ = 157084980. Its totient is φ = 157084978.

The previous prime is 157084969. The next prime is 157085003. The reversal of 157084979 is 979480751.

It is a weak prime.

It is an emirp because it is prime and its reverse (979480751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157084979 - 2²⁰ = 156036403 is a prime.

It is not a weakly prime, because it can be changed into another prime (157084969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78542489 + 78542490.

It is an arithmetic number, because the mean of its divisors is an integer number (78542490).

Almost surely, 2^157084979 is an apocalyptic number.

157084979 is a deficient number, since it is larger than the sum of its proper divisors (1).

157084979 is an equidigital number, since it uses as much as digits as its factorization.

157084979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 157084979 is about 12533.3546586698. The cubic root of 157084979 is about 539.5663860167.

The spelling of 157084979 in words is "one hundred fifty-seven million, eighty-four thousand, nine hundred seventy-nine".