2878723555 has 8 divisors (see below), whose sum is σ = 3456627552. Its totient is φ = 2301539328.

The previous prime is 2878723531. The next prime is 2878723579. The reversal of 2878723555 is 5553278782.

It is an interprime number because it is at equal distance from previous prime (2878723531) and next prime (2878723579).

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 2878723555 - 2²⁵ = 2845169123 is a prime.

It is a super-2 number, since 2×2878723555² = 16574098612223676050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 171102 + ... + 187171.

It is an arithmetic number, because the mean of its divisors is an integer number (432078444).

Almost surely, 2^2878723555 is an apocalyptic number.

2878723555 is a deficient number, since it is larger than the sum of its proper divisors (577903997).

2878723555 is a wasteful number, since it uses less digits than its factorization.

2878723555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359885.

The product of its digits is 4704000, while the sum is 52.

The square root of 2878723555 is about 53653.7375678526. The cubic root of 2878723555 is about 1422.5470972780.

The spelling of 2878723555 in words is "two billion, eight hundred seventy-eight million, seven hundred twenty-three thousand, five hundred fifty-five".