99745759 has 4 divisors (see below), whose sum is σ = 100181560. Its totient is φ = 99309960.

The previous prime is 99745757. The next prime is 99745777. The reversal of 99745759 is 95754799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95754799 = 7 ⋅13679257.

It is a cyclic number.

It is not a de Polignac number, because 99745759 - 2¹ = 99745757 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 (99745757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217557 + ... + 218014.

It is an arithmetic number, because the mean of its divisors is an integer number (25045390).

Almost surely, 2^99745759 is an apocalyptic number.

99745759 is a deficient number, since it is larger than the sum of its proper divisors (435801).

99745759 is a wasteful number, since it uses less digits than its factorization.

99745759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435800.

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

The square root of 99745759 is about 9987.2798599018. The cubic root of 99745759 is about 463.7651887993.

The spelling of 99745759 in words is "ninety-nine million, seven hundred forty-five thousand, seven hundred fifty-nine".