97679623 has 2 divisors, whose sum is σ = 97679624. Its totient is φ = 97679622.

The previous prime is 97679581. The next prime is 97679651. The reversal of 97679623 is 32697679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97679623 - 2¹⁷ = 97548551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97679653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48839811 + 48839812.

It is an arithmetic number, because the mean of its divisors is an integer number (48839812).

Almost surely, 2^97679623 is an apocalyptic number.

97679623 is a deficient number, since it is larger than the sum of its proper divisors (1).

97679623 is an equidigital number, since it uses as much as digits as its factorization.

97679623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 49.

The square root of 97679623 is about 9883.3002079265. The cubic root of 97679623 is about 460.5406733299.

The spelling of 97679623 in words is "ninety-seven million, six hundred seventy-nine thousand, six hundred twenty-three".