2851778038 has 8 divisors (see below), whose sum is σ = 4310321400. Its totient is φ = 1415004240.

The previous prime is 2851778029. The next prime is 2851778047. The reversal of 2851778038 is 8308771582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2851778029) and next prime (2851778047).

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

It is a junction number, because it is equal to n+sod(n) for n = 2851777982 and 2851778000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5442063 + ... + 5442586.

It is an arithmetic number, because the mean of its divisors is an integer number (538790175).

Almost surely, 2^2851778038 is an apocalyptic number.

2851778038 is a deficient number, since it is larger than the sum of its proper divisors (1458543362).

2851778038 is a wasteful number, since it uses less digits than its factorization.

2851778038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884782.

The product of its (nonzero) digits is 752640, while the sum is 49.

The square root of 2851778038 is about 53402.0415152829. The cubic root of 2851778038 is about 1418.0947200830.

The spelling of 2851778038 in words is "two billion, eight hundred fifty-one million, seven hundred seventy-eight thousand, thirty-eight".