854670819 has 8 divisors (see below), whose sum is σ = 1139823360. Its totient is φ = 569649416.

The previous prime is 854670793. The next prime is 854670821. The reversal of 854670819 is 918076458.

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 854670819 - 2¹⁵ = 854638051 is a prime.

It is a super-2 number, since 2×854670819² = 1460924417700261522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (854671819) 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, 16407 + ... + 44480.

It is an arithmetic number, because the mean of its divisors is an integer number (142477920).

Almost surely, 2^854670819 is an apocalyptic number.

854670819 is a deficient number, since it is larger than the sum of its proper divisors (285152541).

854670819 is a wasteful number, since it uses less digits than its factorization.

854670819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65569.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 854670819 is about 29234.7536162014. The cubic root of 854670819 is about 949.0001739579. Note that the first 3 decimals are identical.

The spelling of 854670819 in words is "eight hundred fifty-four million, six hundred seventy thousand, eight hundred nineteen".