854691863 has 8 divisors (see below), whose sum is σ = 881420400. Its totient is φ = 828243520.

The previous prime is 854691853. The next prime is 854691869. The reversal of 854691863 is 368196458.

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 854691863 - 2¹⁰ = 854690839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854691869) 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, 63845 + ... + 76062.

It is an arithmetic number, because the mean of its divisors is an integer number (110177550).

Almost surely, 2^854691863 is an apocalyptic number.

854691863 is a deficient number, since it is larger than the sum of its proper divisors (26728537).

854691863 is a wasteful number, since it uses less digits than its factorization.

854691863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140097.

The product of its digits is 1244160, while the sum is 50.

The square root of 854691863 is about 29235.1135280847. The cubic root of 854691863 is about 949.0079627639.

The spelling of 854691863 in words is "eight hundred fifty-four million, six hundred ninety-one thousand, eight hundred sixty-three".