677777833343 has 16 divisors (see below), whose sum is σ = 733213627776. Its totient is φ = 622815996000.

The previous prime is 677777833309. The next prime is 677777833361. The reversal of 677777833343 is 343338777776.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 677777833343 - 2³⁸ = 402899926399 is a prime.

It is a super-2 number, since 2×677777833343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677777833343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677777836343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6168080 + ... + 6277002.

It is an arithmetic number, because the mean of its divisors is an integer number (45825851736).

Almost surely, 2^677777833343 is an apocalyptic number.

677777833343 is a deficient number, since it is larger than the sum of its proper divisors (55435794433).

677777833343 is a wasteful number, since it uses less digits than its factorization.

677777833343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111094.

The product of its digits is 261382464, while the sum is 65.

The spelling of 677777833343 in words is "six hundred seventy-seven billion, seven hundred seventy-seven million, eight hundred thirty-three thousand, three hundred forty-three".