97309969905 has 16 divisors (see below), whose sum is σ = 155768319360. Its totient is φ = 51874528128.

The previous prime is 97309969879. The next prime is 97309969907. The reversal of 97309969905 is 50996990379.

It is not a de Polignac number, because 97309969905 - 2²⁹ = 96773098993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97309969907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474285 + ... + 1538874.

It is an arithmetic number, because the mean of its divisors is an integer number (9735519960).

Almost surely, 2^97309969905 is an apocalyptic number.

It is an amenable number.

97309969905 is a deficient number, since it is larger than the sum of its proper divisors (58458349455).

97309969905 is a wasteful number, since it uses less digits than its factorization.

97309969905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015320.

The product of its (nonzero) digits is 37200870, while the sum is 66.

The spelling of 97309969905 in words is "ninety-seven billion, three hundred nine million, nine hundred sixty-nine thousand, nine hundred five".