97794493 has 2 divisors, whose sum is σ = 97794494. Its totient is φ = 97794492.

The previous prime is 97794479. The next prime is 97794503. The reversal of 97794493 is 39449779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 26594649 = 8438^2 + 5157^2 .

It is a cyclic number.

It is not a de Polignac number, because 97794493 - 2⁵ = 97794461 is a prime.

It is a super-2 number, since 2×97794493² = 19127525722254098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97794493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97794793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48897246 + 48897247.

It is an arithmetic number, because the mean of its divisors is an integer number (48897247).

Almost surely, 2^97794493 is an apocalyptic number.

It is an amenable number.

97794493 is a deficient number, since it is larger than the sum of its proper divisors (1).

97794493 is an equidigital number, since it uses as much as digits as its factorization.

97794493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 52.

The square root of 97794493 is about 9889.1098183810. The cubic root of 97794493 is about 460.7211326095.

The spelling of 97794493 in words is "ninety-seven million, seven hundred ninety-four thousand, four hundred ninety-three".