97178640583 has 2 divisors, whose sum is σ = 97178640584. Its totient is φ = 97178640582.

The previous prime is 97178640551. The next prime is 97178640589. The reversal of 97178640583 is 38504687179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97178640583 - 2⁵ = 97178640551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97178640589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48589320291 + 48589320292.

It is an arithmetic number, because the mean of its divisors is an integer number (48589320292).

Almost surely, 2^97178640583 is an apocalyptic number.

97178640583 is a deficient number, since it is larger than the sum of its proper divisors (1).

97178640583 is an equidigital number, since it uses as much as digits as its factorization.

97178640583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 97178640583 in words is "ninety-seven billion, one hundred seventy-eight million, six hundred forty thousand, five hundred eighty-three".