2783138807807 has 4 divisors (see below), whose sum is σ = 2783201368080. Its totient is φ = 2783076247536.

The previous prime is 2783138807767. The next prime is 2783138807809. The reversal of 2783138807807 is 7087088313872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2783138807807 - 2¹⁰ = 2783138806783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2783138807807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783138807809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31213358 + ... + 31302395.

It is an arithmetic number, because the mean of its divisors is an integer number (695800342020).

Almost surely, 2^{2783138807807} is an apocalyptic number.

2783138807807 is a deficient number, since it is larger than the sum of its proper divisors (62560273).

2783138807807 is an equidigital number, since it uses as much as digits as its factorization.

2783138807807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62560272.

The product of its (nonzero) digits is 25288704, while the sum is 62.

The spelling of 2783138807807 in words is "two trillion, seven hundred eighty-three billion, one hundred thirty-eight million, eight hundred seven thousand, eight hundred seven".