677305345 has 8 divisors (see below), whose sum is σ = 824897664. Its totient is φ = 533756784.

The previous prime is 677305339. The next prime is 677305373. The reversal of 677305345 is 543503776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677305345 - 2³ = 677305337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677305298 and 677305307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010569 + ... + 1011238.

It is an arithmetic number, because the mean of its divisors is an integer number (103112208).

Almost surely, 2^677305345 is an apocalyptic number.

It is an amenable number.

677305345 is a deficient number, since it is larger than the sum of its proper divisors (147592319).

677305345 is a wasteful number, since it uses less digits than its factorization.

677305345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021879.

The product of its (nonzero) digits is 264600, while the sum is 40.

The square root of 677305345 is about 26025.0906818785. The cubic root of 677305345 is about 878.2028340730.

The spelling of 677305345 in words is "six hundred seventy-seven million, three hundred five thousand, three hundred forty-five".