863774369 has 8 divisors (see below), whose sum is σ = 914918400. Its totient is φ = 812667456.

The previous prime is 863774357. The next prime is 863774381. The reversal of 863774369 is 963477368.

863774369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (863774357) and next prime (863774381).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 863774369 - 2⁸ = 863774113 is a prime.

It is a super-2 number, since 2×863774369² = 1492212321082696322, which contains 22 as substring.

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 863774369.

It is not an unprimeable number, because it can be changed into a prime (863774339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49232 + ... + 64430.

It is an arithmetic number, because the mean of its divisors is an integer number (114364800).

Almost surely, 2^863774369 is an apocalyptic number.

It is an amenable number.

863774369 is a deficient number, since it is larger than the sum of its proper divisors (51144031).

863774369 is a wasteful number, since it uses less digits than its factorization.

863774369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559.

The product of its digits is 4572288, while the sum is 53.

The square root of 863774369 is about 29390.0386015398. The cubic root of 863774369 is about 952.3577149612.

The spelling of 863774369 in words is "eight hundred sixty-three million, seven hundred seventy-four thousand, three hundred sixty-nine".