97772875199 has 4 divisors (see below), whose sum is σ = 97773546936. Its totient is φ = 97772203464.

The previous prime is 97772875153. The next prime is 97772875229. The reversal of 97772875199 is 99157827779.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99157827779 = 19 ⋅5218833041.

It is a cyclic number.

It is not a de Polignac number, because 97772875199 - 2⁸ = 97772874943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97772875129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15989 + ... + 442494.

It is an arithmetic number, because the mean of its divisors is an integer number (24443386734).

Almost surely, 2^97772875199 is an apocalyptic number.

97772875199 is a deficient number, since it is larger than the sum of its proper divisors (671737).

97772875199 is a wasteful number, since it uses less digits than its factorization.

97772875199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671736.

The product of its digits is 140026320, while the sum is 71.

The spelling of 97772875199 in words is "ninety-seven billion, seven hundred seventy-two million, eight hundred seventy-five thousand, one hundred ninety-nine".