2878055651 has 2 divisors, whose sum is σ = 2878055652. Its totient is φ = 2878055650.

The previous prime is 2878055641. The next prime is 2878055737. The reversal of 2878055651 is 1565508782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2878055651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2878055596 and 2878055605.

It is not a weakly prime, because it can be changed into another prime (2878055611) 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 as a sum of consecutive naturals, namely, 1439027825 + 1439027826.

It is an arithmetic number, because the mean of its divisors is an integer number (1439027826).

Almost surely, 2^2878055651 is an apocalyptic number.

2878055651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878055651 is an equidigital number, since it uses as much as digits as its factorization.

2878055651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 47.

The square root of 2878055651 is about 53647.5129992062. The cubic root of 2878055651 is about 1422.4370718485.

The spelling of 2878055651 in words is "two billion, eight hundred seventy-eight million, fifty-five thousand, six hundred fifty-one".