99475597 has 12 divisors (see below), whose sum is σ = 111436020. Its totient is φ = 88652928.

The previous prime is 99475591. The next prime is 99475631. The reversal of 99475597 is 79557499.

It can be written as a sum of positive squares in 6 ways, for example, as 14356521 + 85119076 = 3789^2 + 9226^2 .

It is not a de Polignac number, because 99475597 - 2¹⁵ = 99442829 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 (99475591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5248 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (9286335).

Almost surely, 2^99475597 is an apocalyptic number.

It is an amenable number.

99475597 is a deficient number, since it is larger than the sum of its proper divisors (11960423).

99475597 is a wasteful number, since it uses less digits than its factorization.

99475597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20352 (or 20339 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 55.

The square root of 99475597 is about 9973.7453847589. The cubic root of 99475597 is about 463.3461065896.

The spelling of 99475597 in words is "ninety-nine million, four hundred seventy-five thousand, five hundred ninety-seven".