157093272779 has 2 divisors, whose sum is σ = 157093272780. Its totient is φ = 157093272778.

The previous prime is 157093272727. The next prime is 157093272823. The reversal of 157093272779 is 977272390751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157093272779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (157093272709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78546636389 + 78546636390.

It is an arithmetic number, because the mean of its divisors is an integer number (78546636390).

Almost surely, 2^157093272779 is an apocalyptic number.

157093272779 is a deficient number, since it is larger than the sum of its proper divisors (1).

157093272779 is an equidigital number, since it uses as much as digits as its factorization.

157093272779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11668860, while the sum is 59.

The spelling of 157093272779 in words is "one hundred fifty-seven billion, ninety-three million, two hundred seventy-two thousand, seven hundred seventy-nine".