99773101 has 2 divisors, whose sum is σ = 99773102. Its totient is φ = 99773100.

The previous prime is 99773081. The next prime is 99773111. The reversal of 99773101 is 10137799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98208100 + 1565001 = 9910^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 99773101 - 2²³ = 91384493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99773111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49886550 + 49886551.

It is an arithmetic number, because the mean of its divisors is an integer number (49886551).

Almost surely, 2^99773101 is an apocalyptic number.

It is an amenable number.

99773101 is a deficient number, since it is larger than the sum of its proper divisors (1).

99773101 is an equidigital number, since it uses as much as digits as its factorization.

99773101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 99773101 is about 9988.6486072942. The cubic root of 99773101 is about 463.8075602227.

The spelling of 99773101 in words is "ninety-nine million, seven hundred seventy-three thousand, one hundred one".