97956604805 has 6 divisors (see below), whose sum is σ = 117548765586. Its totient is φ = 78364723968.

The previous prime is 97956604793. The next prime is 97956604813. The reversal of 97956604805 is 50840665979.

It can be written as a sum of positive squares in 3 ways, for example, as 7783121284 + 90173483521 = 88222^2 + 300289^2 .

It is not a de Polignac number, because 97956604805 - 2⁴ = 97956604789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629861 + ... + 769829.

It is an arithmetic number, because the mean of its divisors is an integer number (19591460931).

Almost surely, 2^97956604805 is an apocalyptic number.

It is an amenable number.

97956604805 is a deficient number, since it is larger than the sum of its proper divisors (19592160781).

97956604805 is an frugal number, since it uses more digits than its factorization.

97956604805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279943 (or 139974 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 97956604805 in words is "ninety-seven billion, nine hundred fifty-six million, six hundred four thousand, eight hundred five".