99901759 has 2 divisors, whose sum is σ = 99901760. Its totient is φ = 99901758.

The previous prime is 99901721. The next prime is 99901777. The reversal of 99901759 is 95710999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99901759 - 2¹⁷ = 99770687 is a prime.

It is a super-2 number, since 2×99901759² = 19960722902588162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99901799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49950879 + 49950880.

It is an arithmetic number, because the mean of its divisors is an integer number (49950880).

Almost surely, 2^99901759 is an apocalyptic number.

99901759 is a deficient number, since it is larger than the sum of its proper divisors (1).

99901759 is an equidigital number, since it uses as much as digits as its factorization.

99901759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229635, while the sum is 49.

The square root of 99901759 is about 9995.0867429953. The cubic root of 99901759 is about 464.0068354497.

The spelling of 99901759 in words is "ninety-nine million, nine hundred one thousand, seven hundred fifty-nine".