97959793 has 2 divisors, whose sum is σ = 97959794. Its totient is φ = 97959792.

The previous prime is 97959791. The next prime is 97959853. The reversal of 97959793 is 39795979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71622369 + 26337424 = 8463^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 97959793 - 2¹ = 97959791 is a prime.

It is a super-2 number, since 2×97959793² = 19192242089205698, which contains 22 as substring.

Together with 97959791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97959791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48979896 + 48979897.

It is an arithmetic number, because the mean of its divisors is an integer number (48979897).

Almost surely, 2^97959793 is an apocalyptic number.

It is an amenable number.

97959793 is a deficient number, since it is larger than the sum of its proper divisors (1).

97959793 is an equidigital number, since it uses as much as digits as its factorization.

97959793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4822335, while the sum is 58.

The square root of 97959793 is about 9897.4639681082. The cubic root of 97959793 is about 460.9805689443.

The spelling of 97959793 in words is "ninety-seven million, nine hundred fifty-nine thousand, seven hundred ninety-three".