2878722623 has 8 divisors (see below), whose sum is σ = 3463125120. Its totient is φ = 2337609240.

The previous prime is 2878722617. The next prime is 2878722629. The reversal of 2878722623 is 3262278782.

It is an interprime number because it is at equal distance from previous prime (2878722617) and next prime (2878722629).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2878722623 - 2⁴ = 2878722607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878722629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10822133 + ... + 10822398.

It is an arithmetic number, because the mean of its divisors is an integer number (432890640).

Almost surely, 2^2878722623 is an apocalyptic number.

2878722623 is a deficient number, since it is larger than the sum of its proper divisors (584402497).

2878722623 is a wasteful number, since it uses less digits than its factorization.

2878722623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21644557.

The product of its digits is 903168, while the sum is 47.

The square root of 2878722623 is about 53653.7288825297. The cubic root of 2878722623 is about 1422.5469437592.

The spelling of 2878722623 in words is "two billion, eight hundred seventy-eight million, seven hundred twenty-two thousand, six hundred twenty-three".