99773437799 has 8 divisors (see below), whose sum is σ = 114113115168. Its totient is φ = 85455342720.

The previous prime is 99773437789. The next prime is 99773437831.

99773437799 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99773437799 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 (99773437789) 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, 5385662 + ... + 5404155.

It is an arithmetic number, because the mean of its divisors is an integer number (14264139396).

Almost surely, 2^99773437799 is an apocalyptic number.

99773437799 is a deficient number, since it is larger than the sum of its proper divisors (14339677369).

99773437799 is a wasteful number, since it uses less digits than its factorization.

99773437799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10791145.

The product of its digits is 567106596, while the sum is 74.

The spelling of 99773437799 in words is "ninety-nine billion, seven hundred seventy-three million, four hundred thirty-seven thousand, seven hundred ninety-nine".