6789779952 has 40 divisors (see below), whose sum is σ = 18302888064. Its totient is φ = 2164857024.

The previous prime is 6789779921. The next prime is 6789779999. The reversal of 6789779952 is 2599779876.

It is a super-2 number, since 2×6789779952² = 92202223593162244608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3073978 + ... + 3076185.

Almost surely, 2^6789779952 is an apocalyptic number.

It is an amenable number.

6789779952 is an abundant number, since it is smaller than the sum of its proper divisors (11513108112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6789779952 is a wasteful number, since it uses less digits than its factorization.

6789779952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150197 (or 6150191 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 69.

The square root of 6789779952 is about 82400.1210678722. The cubic root of 6789779952 is about 1893.5868683930.

The spelling of 6789779952 in words is "six billion, seven hundred eighty-nine million, seven hundred seventy-nine thousand, nine hundred fifty-two".