856088463 has 4 divisors (see below), whose sum is σ = 1141451288. Its totient is φ = 570725640.

The previous prime is 856088437. The next prime is 856088473. The reversal of 856088463 is 364880658.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 856088463 - 2⁶ = 856088399 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 (856088473) 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, 142681408 + ... + 142681413.

It is an arithmetic number, because the mean of its divisors is an integer number (285362822).

Almost surely, 2^856088463 is an apocalyptic number.

856088463 is a deficient number, since it is larger than the sum of its proper divisors (285362825).

856088463 is a wasteful number, since it uses less digits than its factorization.

856088463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285362824.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 856088463 is about 29258.9894391450. The cubic root of 856088463 is about 949.5245868725.

The spelling of 856088463 in words is "eight hundred fifty-six million, eighty-eight thousand, four hundred sixty-three".