100797157 has 2 divisors, whose sum is σ = 100797158. Its totient is φ = 100797156.

The previous prime is 100797121. The next prime is 100797167. The reversal of 100797157 is 751797001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100280196 + 516961 = 10014^2 + 719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100797157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100797107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50398578 + 50398579.

It is an arithmetic number, because the mean of its divisors is an integer number (50398579).

Almost surely, 2^100797157 is an apocalyptic number.

It is an amenable number.

100797157 is a deficient number, since it is larger than the sum of its proper divisors (1).

100797157 is an equidigital number, since it uses as much as digits as its factorization.

100797157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435, while the sum is 37.

The square root of 100797157 is about 10039.7787326216. The cubic root of 100797157 is about 465.3889788743.

The spelling of 100797157 in words is "one hundred million, seven hundred ninety-seven thousand, one hundred fifty-seven".