2784531468 has 18 divisors (see below), whose sum is σ = 6497666644. Its totient is φ = 928116224.

The previous prime is 2784531467. The next prime is 2784531479. The reversal of 2784531468 is 8641354872.

It is not an unprimeable number, because it can be changed into a prime (2784531461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175180 + ... + 190412.

Almost surely, 2^2784531468 is an apocalyptic number.

It is an amenable number.

2784531468 is an abundant number, since it is smaller than the sum of its proper divisors (3713135176).

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

2784531468 is an frugal number, since it uses more digits than its factorization.

2784531468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30473 (or 15238 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 2784531468 is about 52768.6599033934. The cubic root of 2784531468 is about 1406.8594433680.

Multiplying 2784531468 by its sum of digits (48), we get a square (133657510464 = 365592²).

The spelling of 2784531468 in words is "two billion, seven hundred eighty-four million, five hundred thirty-one thousand, four hundred sixty-eight".