855827458 has 4 divisors (see below), whose sum is σ = 1283741190. Its totient is φ = 427913728.

The previous prime is 855827389. The next prime is 855827459. The reversal of 855827458 is 854728558.

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

It can be written as a sum of positive squares in only one way, i.e., 840594049 + 15233409 = 28993^2 + 3903^2 .

It is not an unprimeable number, because it can be changed into a prime (855827459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213956863 + ... + 213956866.

Almost surely, 2^855827458 is an apocalyptic number.

855827458 is a deficient number, since it is larger than the sum of its proper divisors (427913732).

855827458 is a wasteful number, since it uses less digits than its factorization.

855827458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427913731.

The product of its digits is 3584000, while the sum is 52.

The square root of 855827458 is about 29254.5288459753. The cubic root of 855827458 is about 949.4280797683.

The spelling of 855827458 in words is "eight hundred fifty-five million, eight hundred twenty-seven thousand, four hundred fifty-eight".