857655466 has 8 divisors (see below), whose sum is σ = 1317860964. Its totient is φ = 418368480.

The previous prime is 857655431. The next prime is 857655467. The reversal of 857655466 is 664556758.

857655466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 796424841 + 61230625 = 28221^2 + 7825^2 .

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

It is not an unprimeable number, because it can be changed into a prime (857655467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229525 + ... + 5229688.

Almost surely, 2^857655466 is an apocalyptic number.

857655466 is a deficient number, since it is larger than the sum of its proper divisors (460205498).

857655466 is a wasteful number, since it uses less digits than its factorization.

857655466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10459256.

The product of its digits is 6048000, while the sum is 52.

The square root of 857655466 is about 29285.7553428284. The cubic root of 857655466 is about 950.1035772570.

The spelling of 857655466 in words is "eight hundred fifty-seven million, six hundred fifty-five thousand, four hundred sixty-six".