867861466 has 8 divisors (see below), whose sum is σ = 1301946804. Its totient is φ = 433879200.

The previous prime is 867861451. The next prime is 867861539. The reversal of 867861466 is 664168768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 861716025 + 6145441 = 29355^2 + 2479^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 736 + ... + 41668.

Almost surely, 2^867861466 is an apocalyptic number.

867861466 is a deficient number, since it is larger than the sum of its proper divisors (434085338).

867861466 is a wasteful number, since it uses less digits than its factorization.

867861466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51536.

The product of its digits is 2322432, while the sum is 52.

The square root of 867861466 is about 29459.4885563209. The cubic root of 867861466 is about 953.8574334964.

The spelling of 867861466 in words is "eight hundred sixty-seven million, eight hundred sixty-one thousand, four hundred sixty-six".