6789777723 has 8 divisors (see below), whose sum is σ = 10058930000. Its totient is φ = 4526518464.

The previous prime is 6789777719. The next prime is 6789777727. The reversal of 6789777723 is 3277779876.

It is an interprime number because it is at equal distance from previous prime (6789777719) and next prime (6789777727).

It is not a de Polignac number, because 6789777723 - 2² = 6789777719 is a prime.

It is a super-2 number, since 2×6789777723² = 92202163055494129458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6789777727) 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, 125736598 + ... + 125736651.

It is an arithmetic number, because the mean of its divisors is an integer number (1257366250).

Almost surely, 2^6789777723 is an apocalyptic number.

6789777723 is a deficient number, since it is larger than the sum of its proper divisors (3269152277).

6789777723 is a wasteful number, since it uses less digits than its factorization.

6789777723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251473258 (or 251473252 counting only the distinct ones).

The product of its digits is 43563744, while the sum is 63.

The square root of 6789777723 is about 82400.1075424055. The cubic root of 6789777723 is about 1893.5866611793.

The spelling of 6789777723 in words is "six billion, seven hundred eighty-nine million, seven hundred seventy-seven thousand, seven hundred twenty-three".