97999459 has 2 divisors, whose sum is σ = 97999460. Its totient is φ = 97999458.

The previous prime is 97999427. The next prime is 97999469. The reversal of 97999459 is 95499979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97999459 - 2⁵ = 97999427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97999397 and 97999406.

It is not a weakly prime, because it can be changed into another prime (97999469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48999729 + 48999730.

It is an arithmetic number, because the mean of its divisors is an integer number (48999730).

Almost surely, 2^97999459 is an apocalyptic number.

97999459 is a deficient number, since it is larger than the sum of its proper divisors (1).

97999459 is an equidigital number, since it uses as much as digits as its factorization.

97999459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 61.

The square root of 97999459 is about 9899.4676119476. The cubic root of 97999459 is about 461.0427808213.

The spelling of 97999459 in words is "ninety-seven million, nine hundred ninety-nine thousand, four hundred fifty-nine".