99764111 has 4 divisors (see below), whose sum is σ = 102197424. Its totient is φ = 97330800.

The previous prime is 99764101. The next prime is 99764113. The reversal of 99764111 is 11146799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99764111 - 2⁶ = 99764047 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99764113) 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, 1216595 + ... + 1216676.

It is an arithmetic number, because the mean of its divisors is an integer number (25549356).

Almost surely, 2^99764111 is an apocalyptic number.

99764111 is a deficient number, since it is larger than the sum of its proper divisors (2433313).

99764111 is a wasteful number, since it uses less digits than its factorization.

99764111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433312.

The product of its digits is 13608, while the sum is 38.

The square root of 99764111 is about 9988.1985863318. The cubic root of 99764111 is about 463.7936294298.

The spelling of 99764111 in words is "ninety-nine million, seven hundred sixty-four thousand, one hundred eleven".