4782135861 has 16 divisors (see below), whose sum is σ = 7118230720. Its totient is φ = 3172977360.

The previous prime is 4782135833. The next prime is 4782135863. The reversal of 4782135861 is 1685312874.

4782135861 is a `hidden beast` number, since 47 + 8 + 21 + 3 + 586 + 1 = 666.

It is not a de Polignac number, because 4782135861 - 2³⁰ = 3708394037 is a prime.

It is a super-2 number, since 2×4782135861² = 45737646786124422642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782135863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414010 + ... + 425403.

It is an arithmetic number, because the mean of its divisors is an integer number (444889420).

Almost surely, 2^4782135861 is an apocalyptic number.

It is an amenable number.

4782135861 is a deficient number, since it is larger than the sum of its proper divisors (2336094859).

4782135861 is a wasteful number, since it uses less digits than its factorization.

4782135861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839633 (or 839627 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4782135861 is about 69152.9888074261. The cubic root of 4782135861 is about 1684.7700626930.

The spelling of 4782135861 in words is "four billion, seven hundred eighty-two million, one hundred thirty-five thousand, eight hundred sixty-one".