97645759 has 2 divisors, whose sum is σ = 97645760. Its totient is φ = 97645758.

The previous prime is 97645747. The next prime is 97645763. The reversal of 97645759 is 95754679.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97645759 - 2¹⁹ = 97121471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97645799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48822879 + 48822880.

It is an arithmetic number, because the mean of its divisors is an integer number (48822880).

Almost surely, 2^97645759 is an apocalyptic number.

97645759 is a deficient number, since it is larger than the sum of its proper divisors (1).

97645759 is an equidigital number, since it uses as much as digits as its factorization.

97645759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 52.

The square root of 97645759 is about 9881.5868664906. The cubic root of 97645759 is about 460.4874464251.

The spelling of 97645759 in words is "ninety-seven million, six hundred forty-five thousand, seven hundred fifty-nine".