2985777828 has 48 divisors (see below), whose sum is σ = 8444627520. Its totient is φ = 904780800.

The previous prime is 2985777827. The next prime is 2985777829. The reversal of 2985777828 is 8287775892.

It is an interprime number because it is at equal distance from previous prime (2985777827) and next prime (2985777829).

It is not an unprimeable number, because it can be changed into a prime (2985777827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255453 + ... + 1257828.

It is an arithmetic number, because the mean of its divisors is an integer number (175929740).

Almost surely, 2^2985777828 is an apocalyptic number.

It is an amenable number.

2985777828 is an abundant number, since it is smaller than the sum of its proper divisors (5458849692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2985777828 is a wasteful number, since it uses less digits than its factorization.

2985777828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513305 (or 2513297 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 63.

The square root of 2985777828 is about 54642.2714388778. The cubic root of 2985777828 is about 1439.9668568761.

The spelling of 2985777828 in words is "two billion, nine hundred eighty-five million, seven hundred seventy-seven thousand, eight hundred twenty-eight".