157669767707 has 2 divisors, whose sum is σ = 157669767708. Its totient is φ = 157669767706.

The previous prime is 157669767677. The next prime is 157669767733. The reversal of 157669767707 is 707767966751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157669767707 is a prime.

It is not a weakly prime, because it can be changed into another prime (157669767107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78834883853 + 78834883854.

It is an arithmetic number, because the mean of its divisors is an integer number (78834883854).

Almost surely, 2^157669767707 is an apocalyptic number.

157669767707 is a deficient number, since it is larger than the sum of its proper divisors (1).

157669767707 is an equidigital number, since it uses as much as digits as its factorization.

157669767707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163364040, while the sum is 68.

The spelling of 157669767707 in words is "one hundred fifty-seven billion, six hundred sixty-nine million, seven hundred sixty-seven thousand, seven hundred seven".