99472827499 has 4 divisors (see below), whose sum is σ = 100498320664. Its totient is φ = 98447334336.

The previous prime is 99472827463. The next prime is 99472827511.

99472827499 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99472827499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99472327499) 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, 512746437 + ... + 512746630.

It is an arithmetic number, because the mean of its divisors is an integer number (25124580166).

Almost surely, 2^99472827499 is an apocalyptic number.

99472827499 is a deficient number, since it is larger than the sum of its proper divisors (1025493165).

99472827499 is a wasteful number, since it uses less digits than its factorization.

99472827499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025493164.

The product of its digits is 164602368, while the sum is 70.

The spelling of 99472827499 in words is "ninety-nine billion, four hundred seventy-two million, eight hundred twenty-seven thousand, four hundred ninety-nine".