157026109885979 has 2 divisors, whose sum is σ = 157026109885980. Its totient is φ = 157026109885978.

The previous prime is 157026109885933. The next prime is 157026109885999. The reversal of 157026109885979 is 979588901620751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157026109885979 - 2²⁸ = 157025841450523 is a prime.

It is not a weakly prime, because it can be changed into another prime (157026109885999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78513054942989 + 78513054942990.

It is an arithmetic number, because the mean of its divisors is an integer number (78513054942990).

Almost surely, 2^{157026109885979} is an apocalyptic number.

157026109885979 is a deficient number, since it is larger than the sum of its proper divisors (1).

157026109885979 is an equidigital number, since it uses as much as digits as its factorization.

157026109885979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 685843200, while the sum is 77.

The spelling of 157026109885979 in words is "one hundred fifty-seven trillion, twenty-six billion, one hundred nine million, eight hundred eighty-five thousand, nine hundred seventy-nine".