6786278264 has 32 divisors (see below), whose sum is σ = 12953973600. Its totient is φ = 3332259840.

The previous prime is 6786278209. The next prime is 6786278269. The reversal of 6786278264 is 4628726876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786278269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122732 + ... + 169220.

It is an arithmetic number, because the mean of its divisors is an integer number (404811675).

Almost surely, 2^6786278264 is an apocalyptic number.

It is an amenable number.

6786278264 is a deficient number, since it is larger than the sum of its proper divisors (6167695336).

6786278264 is a wasteful number, since it uses less digits than its factorization.

6786278264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46823 (or 46819 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The square root of 6786278264 is about 82378.8702520252. The cubic root of 6786278264 is about 1893.2612863821.

The spelling of 6786278264 in words is "six billion, seven hundred eighty-six million, two hundred seventy-eight thousand, two hundred sixty-four".