97907886349 has 16 divisors (see below), whose sum is σ = 120665157760. Its totient is φ = 77360702400.

The previous prime is 97907886289. The next prime is 97907886403. The reversal of 97907886349 is 94368870979.

It is a cyclic number.

It is not a de Polignac number, because 97907886349 - 2¹⁵ = 97907853581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97907836349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660702 + ... + 795199.

It is an arithmetic number, because the mean of its divisors is an integer number (7541572360).

Almost surely, 2^97907886349 is an apocalyptic number.

It is an amenable number.

97907886349 is a deficient number, since it is larger than the sum of its proper divisors (22757271411).

97907886349 is a wasteful number, since it uses less digits than its factorization.

97907886349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456660.

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 97907886349 in words is "ninety-seven billion, nine hundred seven million, eight hundred eighty-six thousand, three hundred forty-nine".