97973895369 has 16 divisors (see below), whose sum is σ = 152765499392. Its totient is φ = 54683103888.

The previous prime is 97973895367. The next prime is 97973895373. The reversal of 97973895369 is 96359837979.

It is a happy number.

It is not a de Polignac number, because 97973895369 - 2¹ = 97973895367 is a prime.

It is a super-2 number, since 2×97973895369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97973895369.

It is not an unprimeable number, because it can be changed into a prime (97973895367) 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, 54248209 + ... + 54250014.

It is an arithmetic number, because the mean of its divisors is an integer number (9547843712).

Almost surely, 2^97973895369 is an apocalyptic number.

It is an amenable number.

97973895369 is a deficient number, since it is larger than the sum of its proper divisors (54791604023).

97973895369 is a wasteful number, since it uses less digits than its factorization.

97973895369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108498276.

The product of its digits is 694416240, while the sum is 75.

The spelling of 97973895369 in words is "ninety-seven billion, nine hundred seventy-three million, eight hundred ninety-five thousand, three hundred sixty-nine".