2818863047 has 64 divisors (see below), whose sum is σ = 4012108800. Its totient is φ = 1918650240.

The previous prime is 2818863043. The next prime is 2818863067. The reversal of 2818863047 is 7403688182.

It is not a de Polignac number, because 2818863047 - 2² = 2818863043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2818862992 and 2818863010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818863043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3213773 + ... + 3214649.

It is an arithmetic number, because the mean of its divisors is an integer number (62689200).

Almost surely, 2^2818863047 is an apocalyptic number.

2818863047 is a deficient number, since it is larger than the sum of its proper divisors (1193245753).

2818863047 is a wasteful number, since it uses less digits than its factorization.

2818863047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 2818863047 is about 53092.9660783799. The cubic root of 2818863047 is about 1412.6177493610.

The spelling of 2818863047 in words is "two billion, eight hundred eighteen million, eight hundred sixty-three thousand, forty-seven".