2845377778 has 16 divisors (see below), whose sum is σ = 4446277920. Its totient is φ = 1364461600.

The previous prime is 2845377761. The next prime is 2845377803. The reversal of 2845377778 is 8777735482.

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, 289228 + ... + 298903.

It is an arithmetic number, because the mean of its divisors is an integer number (277892370).

Almost surely, 2^2845377778 is an apocalyptic number.

2845377778 is a deficient number, since it is larger than the sum of its proper divisors (1600900142).

2845377778 is a wasteful number, since it uses less digits than its factorization.

2845377778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588233.

The product of its digits is 18439680, while the sum is 58.

The square root of 2845377778 is about 53342.0826177606. The cubic root of 2845377778 is about 1417.0330463748.

The spelling of 2845377778 in words is "two billion, eight hundred forty-five million, three hundred seventy-seven thousand, seven hundred seventy-eight".