2878531723 has 2 divisors, whose sum is σ = 2878531724. Its totient is φ = 2878531722.

The previous prime is 2878531709. The next prime is 2878531727. The reversal of 2878531723 is 3271358782.

2878531723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2878531723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2878531727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439265861 + 1439265862.

It is an arithmetic number, because the mean of its divisors is an integer number (1439265862).

Almost surely, 2^2878531723 is an apocalyptic number.

2878531723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878531723 is an equidigital number, since it uses as much as digits as its factorization.

2878531723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 2878531723 is about 53651.9498527314. The cubic root of 2878531723 is about 1422.5154980742.

The spelling of 2878531723 in words is "two billion, eight hundred seventy-eight million, five hundred thirty-one thousand, seven hundred twenty-three".