2782554845 has 32 divisors (see below), whose sum is σ = 4125523200. Its totient is φ = 1758744576.

The previous prime is 2782554839. The next prime is 2782554847. The reversal of 2782554845 is 5484552872.

It is not a de Polignac number, because 2782554845 - 2¹⁰ = 2782553821 is a prime.

It is a super-2 number, since 2×2782554845² = 15485222930865948050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2782554793 and 2782554802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782554847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31940 + ... + 81149.

It is an arithmetic number, because the mean of its divisors is an integer number (128922600).

Almost surely, 2^2782554845 is an apocalyptic number.

It is an amenable number.

2782554845 is a deficient number, since it is larger than the sum of its proper divisors (1342968355).

2782554845 is a wasteful number, since it uses less digits than its factorization.

2782554845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113157.

The product of its digits is 3584000, while the sum is 50.

The square root of 2782554845 is about 52749.9274407084. The cubic root of 2782554845 is about 1406.5264742463.

The spelling of 2782554845 in words is "two billion, seven hundred eighty-two million, five hundred fifty-four thousand, eight hundred forty-five".