6734378783 has 6 divisors (see below), whose sum is σ = 7402251192. Its totient is φ = 6122162420.

The previous prime is 6734378773. The next prime is 6734378801. The reversal of 6734378783 is 3878734376.

It is a de Polignac number, because none of the positive numbers 2^k-6734378783 is a prime.

It is a super-2 number, since 2×6734378783² = 90703715185841122178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6734378743) 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 5 ways as a sum of consecutive naturals, for example, 27827891 + ... + 27828132.

It is an arithmetic number, because the mean of its divisors is an integer number (1233708532).

Almost surely, 2^6734378783 is an apocalyptic number.

6734378783 is a deficient number, since it is larger than the sum of its proper divisors (667872409).

6734378783 is a wasteful number, since it uses less digits than its factorization.

6734378783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55656045 (or 55656034 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 56.

The square root of 6734378783 is about 82063.2608601437. The cubic root of 6734378783 is about 1888.4225598542.

The spelling of 6734378783 in words is "six billion, seven hundred thirty-four million, three hundred seventy-eight thousand, seven hundred eighty-three".