157428079 has 2 divisors, whose sum is σ = 157428080. Its totient is φ = 157428078.

The previous prime is 157428049. The next prime is 157428083. The reversal of 157428079 is 970824751.

157428079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157428079 - 2²⁵ = 123873647 is a prime.

It is a super-3 number, since 3×157428079³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157428049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78714039 + 78714040.

It is an arithmetic number, because the mean of its divisors is an integer number (78714040).

Almost surely, 2^157428079 is an apocalyptic number.

157428079 is a deficient number, since it is larger than the sum of its proper divisors (1).

157428079 is an equidigital number, since it uses as much as digits as its factorization.

157428079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 157428079 is about 12547.0346695942. The cubic root of 157428079 is about 539.9589349202.

The spelling of 157428079 in words is "one hundred fifty-seven million, four hundred twenty-eight thousand, seventy-nine".