97679669 has 2 divisors, whose sum is σ = 97679670. Its totient is φ = 97679668.

The previous prime is 97679657. The next prime is 97679713. The reversal of 97679669 is 96697679.

97679669 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49210225 + 48469444 = 7015^2 + 6962^2 .

It is a cyclic number.

It is not a de Polignac number, because 97679669 - 2⁴ = 97679653 is a prime.

It is a super-2 number, since 2×97679669² = 19082635471899122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97679269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48839834 + 48839835.

It is an arithmetic number, because the mean of its divisors is an integer number (48839835).

Almost surely, 2^97679669 is an apocalyptic number.

It is an amenable number.

97679669 is a deficient number, since it is larger than the sum of its proper divisors (1).

97679669 is an equidigital number, since it uses as much as digits as its factorization.

97679669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 59.

The square root of 97679669 is about 9883.3025350841. The cubic root of 97679669 is about 460.5407456236.

The spelling of 97679669 in words is "ninety-seven million, six hundred seventy-nine thousand, six hundred sixty-nine".