2782477964 has 24 divisors (see below), whose sum is σ = 5756852640. Its totient is φ = 1151369856.

The previous prime is 2782477963. The next prime is 2782477967. The reversal of 2782477964 is 4697742872.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2782477963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712537 + ... + 1714160.

It is an arithmetic number, because the mean of its divisors is an integer number (239868860).

Almost surely, 2^2782477964 is an apocalyptic number.

It is an amenable number.

2782477964 is an abundant number, since it is smaller than the sum of its proper divisors (2974374676).

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

2782477964 is a wasteful number, since it uses less digits than its factorization.

2782477964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426737 (or 3426735 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 56.

The square root of 2782477964 is about 52749.1987048145. The cubic root of 2782477964 is about 1406.5135201850.

The spelling of 2782477964 in words is "two billion, seven hundred eighty-two million, four hundred seventy-seven thousand, nine hundred sixty-four".