869764699 has 4 divisors (see below), whose sum is σ = 869896440. Its totient is φ = 869632960.

The previous prime is 869764667. The next prime is 869764717. The reversal of 869764699 is 996467968.

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 869764699 - 2⁵ = 869764667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 869764699.

It is not an unprimeable number, because it can be changed into a prime (869764099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55414 + ... + 69355.

It is an arithmetic number, because the mean of its divisors is an integer number (217474110).

Almost surely, 2^869764699 is an apocalyptic number.

869764699 is a deficient number, since it is larger than the sum of its proper divisors (131741).

869764699 is a wasteful number, since it uses less digits than its factorization.

869764699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131740.

The product of its digits is 35271936, while the sum is 64.

The square root of 869764699 is about 29491.7734122585. The cubic root of 869764699 is about 954.5541988807.

The spelling of 869764699 in words is "eight hundred sixty-nine million, seven hundred sixty-four thousand, six hundred ninety-nine".