854951705 has 4 divisors (see below), whose sum is σ = 1025942052. Its totient is φ = 683961360.

The previous prime is 854951693. The next prime is 854951731. The reversal of 854951705 is 507159458.

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

It can be written as a sum of positive squares in 2 ways, for example, as 563635081 + 291316624 = 23741^2 + 17068^2 .

It is not a de Polignac number, because 854951705 - 2²⁶ = 787842841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85495166 + ... + 85495175.

It is an arithmetic number, because the mean of its divisors is an integer number (256485513).

Almost surely, 2^854951705 is an apocalyptic number.

It is an amenable number.

854951705 is a deficient number, since it is larger than the sum of its proper divisors (170990347).

854951705 is a wasteful number, since it uses less digits than its factorization.

854951705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170990346.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 854951705 is about 29239.5571956895. The cubic root of 854951705 is about 949.1041249609.

The spelling of 854951705 in words is "eight hundred fifty-four million, nine hundred fifty-one thousand, seven hundred five".