2076678811 has 4 divisors (see below), whose sum is σ = 2077569000. Its totient is φ = 2075788624.

The previous prime is 2076678757. The next prime is 2076678829. The reversal of 2076678811 is 1188766702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2076678811 - 2⁷ = 2076678683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2046678811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441586 + ... + 446263.

It is an arithmetic number, because the mean of its divisors is an integer number (519392250).

Almost surely, 2^2076678811 is an apocalyptic number.

2076678811 is a deficient number, since it is larger than the sum of its proper divisors (890189).

2076678811 is an equidigital number, since it uses as much as digits as its factorization.

2076678811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890188.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2076678811 is about 45570.5915147039. The cubic root of 2076678811 is about 1275.8210906923.

The spelling of 2076678811 in words is "two billion, seventy-six million, six hundred seventy-eight thousand, eight hundred eleven".