99633797 has 2 divisors, whose sum is σ = 99633798. Its totient is φ = 99633796.

The previous prime is 99633761. The next prime is 99633811. The reversal of 99633797 is 79733699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82609921 + 17023876 = 9089^2 + 4126^2 .

99633797 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 99633797 - 2¹⁰ = 99632773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99633197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49816898 + 49816899.

It is an arithmetic number, because the mean of its divisors is an integer number (49816899).

Almost surely, 2^99633797 is an apocalyptic number.

It is an amenable number.

99633797 is a deficient number, since it is larger than the sum of its proper divisors (1).

99633797 is an equidigital number, since it uses as much as digits as its factorization.

99633797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1928934, while the sum is 53.

The square root of 99633797 is about 9981.6730561565. The cubic root of 99633797 is about 463.5916024116.

The spelling of 99633797 in words is "ninety-nine million, six hundred thirty-three thousand, seven hundred ninety-seven".