869447466 has 16 divisors (see below), whose sum is σ = 1932105600. Its totient is φ = 289815804.

The previous prime is 869447459. The next prime is 869447533. The reversal of 869447466 is 664744968.

869447466 is a `hidden beast` number, since 86 + 94 + 474 + 6 + 6 = 666.

It is a super-2 number, since 2×869447466² = 1511877792267642312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 16100879 = 869447466 / (8 + 6 + 9 + 4 + 4 + 7 + 4 + 6 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8050386 + ... + 8050493.

It is an arithmetic number, because the mean of its divisors is an integer number (120756600).

Almost surely, 2^869447466 is an apocalyptic number.

869447466 is an abundant number, since it is smaller than the sum of its proper divisors (1062658134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869447466 is a wasteful number, since it uses less digits than its factorization.

869447466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100890 (or 16100884 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 869447466 is about 29486.3945914044. The cubic root of 869447466 is about 954.4381318893.

The spelling of 869447466 in words is "eight hundred sixty-nine million, four hundred forty-seven thousand, four hundred sixty-six".