2836780947 has 160 divisors (see below), whose sum is σ = 5795919360. Its totient is φ = 1334983680.

The previous prime is 2836780943. The next prime is 2836780951. The reversal of 2836780947 is 7490876382.

It is an interprime number because it is at equal distance from previous prime (2836780943) and next prime (2836780951).

It is not a de Polignac number, because 2836780947 - 2² = 2836780943 is a prime.

It is a super-2 number, since 2×2836780947² = 16094652282524433618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2836780893 and 2836780902.

It is not an unprimeable number, because it can be changed into a prime (2836780943) 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 159 ways as a sum of consecutive naturals, for example, 4783483 + ... + 4784075.

It is an arithmetic number, because the mean of its divisors is an integer number (36224496).

Almost surely, 2^2836780947 is an apocalyptic number.

2836780947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2836780947 is an abundant number, since it is smaller than the sum of its proper divisors (2959138413).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2836780947 is a wasteful number, since it uses less digits than its factorization.

2836780947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 2836780947 is about 53261.4395881298. The cubic root of 2836780947 is about 1415.6044975935.

The spelling of 2836780947 in words is "two billion, eight hundred thirty-six million, seven hundred eighty thousand, nine hundred forty-seven".