858472703 has 32 divisors (see below), whose sum is σ = 994489920. Its totient is φ = 733824000.

The previous prime is 858472679. The next prime is 858472709. The reversal of 858472703 is 307274858.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858472703 is a prime.

It is a super-2 number, since 2×858472703² = 1473950763592252418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858472709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3054923 + ... + 3055203.

It is an arithmetic number, because the mean of its divisors is an integer number (31077810).

Almost surely, 2^858472703 is an apocalyptic number.

858472703 is a deficient number, since it is larger than the sum of its proper divisors (136017217).

858472703 is a wasteful number, since it uses less digits than its factorization.

858472703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 858472703 is about 29299.7048278647. The cubic root of 858472703 is about 950.4052575688.

The spelling of 858472703 in words is "eight hundred fifty-eight million, four hundred seventy-two thousand, seven hundred three".