99412169797 has 8 divisors (see below), whose sum is σ = 108020015360. Its totient is φ = 91141886880.

The previous prime is 99412169743. The next prime is 99412169807. The reversal of 99412169797 is 79796121499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99412169797 - 2⁷ = 99412169669 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 (99412199797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84390048 + ... + 84391225.

It is an arithmetic number, because the mean of its divisors is an integer number (13502501920).

Almost surely, 2^99412169797 is an apocalyptic number.

It is an amenable number.

99412169797 is a deficient number, since it is larger than the sum of its proper divisors (8607845563).

99412169797 is a wasteful number, since it uses less digits than its factorization.

99412169797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168781323.

The product of its digits is 15431472, while the sum is 64.

The spelling of 99412169797 in words is "ninety-nine billion, four hundred twelve million, one hundred sixty-nine thousand, seven hundred ninety-seven".