99528797 has 8 divisors (see below), whose sum is σ = 104866944. Its totient is φ = 94274928.

The previous prime is 99528791. The next prime is 99528799. The reversal of 99528797 is 79782599.

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 99528797 - 2¹² = 99524701 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 (99528791) 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, 18638 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (13108368).

Almost surely, 2^99528797 is an apocalyptic number.

It is an amenable number.

99528797 is a deficient number, since it is larger than the sum of its proper divisors (5338147).

99528797 is a wasteful number, since it uses less digits than its factorization.

99528797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42139.

The product of its digits is 2857680, while the sum is 56.

The square root of 99528797 is about 9976.4120303845. The cubic root of 99528797 is about 463.4286917348.

It can be divided in two parts, 995 and 28797, that added together give a palindrome (29792).

The spelling of 99528797 in words is "ninety-nine million, five hundred twenty-eight thousand, seven hundred ninety-seven".