677777833326 has 16 divisors (see below), whose sum is σ = 1478788000128. Its totient is φ = 205387222200.

The previous prime is 677777833309. The next prime is 677777833361. The reversal of 677777833326 is 623338777776.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 10269361111 = 677777833326 / (6 + 7 + 7 + 7 + 7 + 7 + 8 + 3 + 3 + 3 + 2 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5134680490 + ... + 5134680621.

It is an arithmetic number, because the mean of its divisors is an integer number (92424250008).

Almost surely, 2^677777833326 is an apocalyptic number.

677777833326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

677777833326 is an abundant number, since it is smaller than the sum of its proper divisors (801010166802).

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

677777833326 is a wasteful number, since it uses less digits than its factorization.

677777833326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269361127.

The product of its digits is 261382464, while the sum is 66.

The spelling of 677777833326 in words is "six hundred seventy-seven billion, seven hundred seventy-seven million, eight hundred thirty-three thousand, three hundred twenty-six".