2802082778 has 16 divisors (see below), whose sum is σ = 4784584896. Its totient is φ = 1218296640.

The previous prime is 2802082753. The next prime is 2802082781. The reversal of 2802082778 is 8772802082.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2768351 + ... + 2769362.

It is an arithmetic number, because the mean of its divisors is an integer number (299036556).

Almost surely, 2^2802082778 is an apocalyptic number.

2802082778 is a deficient number, since it is larger than the sum of its proper divisors (1982502118).

2802082778 is a wasteful number, since it uses less digits than its factorization.

2802082778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537749.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 2802082778 is about 52934.7029650682. The cubic root of 2802082778 is about 1409.8091350050.

The spelling of 2802082778 in words is "two billion, eight hundred two million, eighty-two thousand, seven hundred seventy-eight".