869120747 has 8 divisors (see below), whose sum is σ = 971257392. Its totient is φ = 770838400.

The previous prime is 869120731. The next prime is 869120753. The reversal of 869120747 is 747021968.

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

It is a cyclic number.

It is not a de Polignac number, because 869120747 - 2⁴ = 869120731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869120698 and 869120707.

It is not an unprimeable number, because it can be changed into a prime (869129747) 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, 963098 + ... + 963999.

It is an arithmetic number, because the mean of its divisors is an integer number (121407174).

Almost surely, 2^869120747 is an apocalyptic number.

869120747 is a deficient number, since it is larger than the sum of its proper divisors (102136645).

869120747 is a wasteful number, since it uses less digits than its factorization.

869120747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927149.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 869120747 is about 29480.8539055435. The cubic root of 869120747 is about 954.3185647112.

The spelling of 869120747 in words is "eight hundred sixty-nine million, one hundred twenty thousand, seven hundred forty-seven".