2287978084 has 48 divisors (see below), whose sum is σ = 4939603200. Its totient is φ = 905579136.

The previous prime is 2287978079. The next prime is 2287978087. The reversal of 2287978084 is 4808797822.

It is a super-2 number, since 2×2287978084² = 10469687425728622112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2287978087) 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, 42579 + ... + 79930.

It is an arithmetic number, because the mean of its divisors is an integer number (102908400).

Almost surely, 2^2287978084 is an apocalyptic number.

It is an amenable number.

2287978084 is an abundant number, since it is smaller than the sum of its proper divisors (2651625116).

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

2287978084 is a wasteful number, since it uses less digits than its factorization.

2287978084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122572 (or 122570 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 2287978084 is about 47832.8138833584. The cubic root of 2287978084 is about 1317.7022475998.

The spelling of 2287978084 in words is "two billion, two hundred eighty-seven million, nine hundred seventy-eight thousand, eighty-four".