99537969 has 4 divisors (see below), whose sum is σ = 132717296. Its totient is φ = 66358644.

The previous prime is 99537967. The next prime is 99537983. The reversal of 99537969 is 96973599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99537969 - 2¹ = 99537967 is a prime.

It is a super-2 number, since 2×99537969² = 19815614545289922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99537961) 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, 16589659 + ... + 16589664.

It is an arithmetic number, because the mean of its divisors is an integer number (33179324).

Almost surely, 2^99537969 is an apocalyptic number.

It is an amenable number.

99537969 is a deficient number, since it is larger than the sum of its proper divisors (33179327).

99537969 is a wasteful number, since it uses less digits than its factorization.

99537969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33179326.

The product of its digits is 4133430, while the sum is 57.

The square root of 99537969 is about 9976.8717040964. The cubic root of 99537969 is about 463.4429269362.

The spelling of 99537969 in words is "ninety-nine million, five hundred thirty-seven thousand, nine hundred sixty-nine".