2778875233 has 8 divisors (see below), whose sum is σ = 2944397952. Its totient is φ = 2613581376.

The previous prime is 2778875219. The next prime is 2778875261. The reversal of 2778875233 is 3325788772.

It is a happy number.

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 2778875233 - 2¹³ = 2778867041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2778875273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31885 + ... + 81082.

It is an arithmetic number, because the mean of its divisors is an integer number (368049744).

Almost surely, 2^2778875233 is an apocalyptic number.

It is an amenable number.

2778875233 is a deficient number, since it is larger than the sum of its proper divisors (165522719).

2778875233 is a wasteful number, since it uses less digits than its factorization.

2778875233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114431.

The product of its digits is 3951360, while the sum is 52.

The square root of 2778875233 is about 52715.0380157313. The cubic root of 2778875233 is about 1405.9062103781.

The spelling of 2778875233 in words is "two billion, seven hundred seventy-eight million, eight hundred seventy-five thousand, two hundred thirty-three".