97892642879 has 2 divisors, whose sum is σ = 97892642880. Its totient is φ = 97892642878.

The previous prime is 97892642863. The next prime is 97892642909. The reversal of 97892642879 is 97824629879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97892642879 - 2⁴ = 97892642863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97892641879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48946321439 + 48946321440.

It is an arithmetic number, because the mean of its divisors is an integer number (48946321440).

Almost surely, 2^97892642879 is an apocalyptic number.

97892642879 is a deficient number, since it is larger than the sum of its proper divisors (1).

97892642879 is an equidigital number, since it uses as much as digits as its factorization.

97892642879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 71.

The spelling of 97892642879 in words is "ninety-seven billion, eight hundred ninety-two million, six hundred forty-two thousand, eight hundred seventy-nine".