2782497164 has 6 divisors (see below), whose sum is σ = 4869370044. Its totient is φ = 1391248580.

The previous prime is 2782497143. The next prime is 2782497167. The reversal of 2782497164 is 4617942872.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2782497167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347812142 + ... + 347812149.

It is an arithmetic number, because the mean of its divisors is an integer number (811561674).

Almost surely, 2^2782497164 is an apocalyptic number.

It is an amenable number.

2782497164 is a deficient number, since it is larger than the sum of its proper divisors (2086872880).

2782497164 is a wasteful number, since it uses less digits than its factorization.

2782497164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695624295 (or 695624293 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 2782497164 is about 52749.3806977864. The cubic root of 2782497164 is about 1406.5167553107.

The spelling of 2782497164 in words is "two billion, seven hundred eighty-two million, four hundred ninety-seven thousand, one hundred sixty-four".