100765997 has 2 divisors, whose sum is σ = 100765998. Its totient is φ = 100765996.

The previous prime is 100765993. The next prime is 100766009. The reversal of 100765997 is 799567001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93334921 + 7431076 = 9661^2 + 2726^2 .

It is a cyclic number.

It is not a de Polignac number, because 100765997 - 2² = 100765993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100765993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50382998 + 50382999.

It is an arithmetic number, because the mean of its divisors is an integer number (50382999).

Almost surely, 2^100765997 is an apocalyptic number.

It is an amenable number.

100765997 is a deficient number, since it is larger than the sum of its proper divisors (1).

100765997 is an equidigital number, since it uses as much as digits as its factorization.

100765997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 100765997 is about 10038.2267856430. The cubic root of 100765997 is about 465.3410178154.

The spelling of 100765997 in words is "one hundred million, seven hundred sixty-five thousand, nine hundred ninety-seven".