97057843 has 2 divisors, whose sum is σ = 97057844. Its totient is φ = 97057842.

The previous prime is 97057819. The next prime is 97057859. The reversal of 97057843 is 34875079.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97057843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97057843.

It is not a weakly prime, because it can be changed into another prime (97057043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48528921 + 48528922.

It is an arithmetic number, because the mean of its divisors is an integer number (48528922).

Almost surely, 2^97057843 is an apocalyptic number.

97057843 is a deficient number, since it is larger than the sum of its proper divisors (1).

97057843 is an equidigital number, since it uses as much as digits as its factorization.

97057843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 97057843 is about 9851.7938975600. The cubic root of 97057843 is about 459.5614014107.

The spelling of 97057843 in words is "ninety-seven million, fifty-seven thousand, eight hundred forty-three".