2552780278 has 16 divisors (see below), whose sum is σ = 3913588224. Its totient is φ = 1248291880.

The previous prime is 2552780273. The next prime is 2552780291. The reversal of 2552780278 is 8720872552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552780273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124623 + ... + 143653.

It is an arithmetic number, because the mean of its divisors is an integer number (244599264).

Almost surely, 2^2552780278 is an apocalyptic number.

2552780278 is a deficient number, since it is larger than the sum of its proper divisors (1360807946).

2552780278 is a wasteful number, since it uses less digits than its factorization.

2552780278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20507.

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 2552780278 is about 50525.0460464906. The cubic root of 2552780278 is about 1366.6935516292.

The spelling of 2552780278 in words is "two billion, five hundred fifty-two million, seven hundred eighty thousand, two hundred seventy-eight".