97084358639 has 2 divisors, whose sum is σ = 97084358640. Its totient is φ = 97084358638.

The previous prime is 97084358629. The next prime is 97084358647. The reversal of 97084358639 is 93685348079.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97084358639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97084358629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48542179319 + 48542179320.

It is an arithmetic number, because the mean of its divisors is an integer number (48542179320).

Almost surely, 2^97084358639 is an apocalyptic number.

97084358639 is a deficient number, since it is larger than the sum of its proper divisors (1).

97084358639 is an equidigital number, since it uses as much as digits as its factorization.

97084358639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 97084358639 in words is "ninety-seven billion, eighty-four million, three hundred fifty-eight thousand, six hundred thirty-nine".