2847380685 has 16 divisors (see below), whose sum is σ = 4580983680. Its totient is φ = 1510211520.

The previous prime is 2847380567. The next prime is 2847380687. The reversal of 2847380685 is 5860837482.

It is a happy number.

It is not a de Polignac number, because 2847380685 - 2⁸ = 2847380429 is a prime.

It is a super-2 number, since 2×2847380685² = 16215153530622138450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847380687) 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, 521665 + ... + 527094.

It is an arithmetic number, because the mean of its divisors is an integer number (286311480).

Almost surely, 2^2847380685 is an apocalyptic number.

It is an amenable number.

2847380685 is a deficient number, since it is larger than the sum of its proper divisors (1733602995).

2847380685 is a wasteful number, since it uses less digits than its factorization.

2847380685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048948.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 2847380685 is about 53360.8534883017. The cubic root of 2847380685 is about 1417.3654591441.

The spelling of 2847380685 in words is "two billion, eight hundred forty-seven million, three hundred eighty thousand, six hundred eighty-five".