157291217267 has 2 divisors, whose sum is σ = 157291217268. Its totient is φ = 157291217266.

The previous prime is 157291217243. The next prime is 157291217323. The reversal of 157291217267 is 762712192751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157291217267 - 2⁶ = 157291217203 is a prime.

It is not a weakly prime, because it can be changed into another prime (157281217267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78645608633 + 78645608634.

It is an arithmetic number, because the mean of its divisors is an integer number (78645608634).

Almost surely, 2^157291217267 is an apocalyptic number.

157291217267 is a deficient number, since it is larger than the sum of its proper divisors (1).

157291217267 is an equidigital number, since it uses as much as digits as its factorization.

157291217267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 50.

The spelling of 157291217267 in words is "one hundred fifty-seven billion, two hundred ninety-one million, two hundred seventeen thousand, two hundred sixty-seven".