97717699 has 2 divisors, whose sum is σ = 97717700. Its totient is φ = 97717698.

The previous prime is 97717693. The next prime is 97717757. The reversal of 97717699 is 99671779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97717699 - 2⁵ = 97717667 is a prime.

It is not a weakly prime, because it can be changed into another prime (97717693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48858849 + 48858850.

It is an arithmetic number, because the mean of its divisors is an integer number (48858850).

Almost surely, 2^97717699 is an apocalyptic number.

97717699 is a deficient number, since it is larger than the sum of its proper divisors (1).

97717699 is an equidigital number, since it uses as much as digits as its factorization.

97717699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500282, while the sum is 55.

The square root of 97717699 is about 9885.2262998881. The cubic root of 97717699 is about 460.6005059000.

The spelling of 97717699 in words is "ninety-seven million, seven hundred seventeen thousand, six hundred ninety-nine".