2878915733 has 2 divisors, whose sum is σ = 2878915734. Its totient is φ = 2878915732.

The previous prime is 2878915723. The next prime is 2878915757. The reversal of 2878915733 is 3375198782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2057348164 + 821567569 = 45358^2 + 28663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2878915733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2878915703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439457866 + 1439457867.

It is an arithmetic number, because the mean of its divisors is an integer number (1439457867).

Almost surely, 2^2878915733 is an apocalyptic number.

It is an amenable number.

2878915733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878915733 is an equidigital number, since it uses as much as digits as its factorization.

2878915733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 2878915733 is about 53655.5284476819. The cubic root of 2878915733 is about 1422.5787520684.

The spelling of 2878915733 in words is "two billion, eight hundred seventy-eight million, nine hundred fifteen thousand, seven hundred thirty-three".