677440743 has 16 divisors (see below), whose sum is σ = 1036728576. Its totient is φ = 385444800.

The previous prime is 677440697. The next prime is 677440787. The reversal of 677440743 is 347044776.

677440743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677440743 - 2⁸ = 677440487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677440695 and 677440704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677440793) 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, 64333 + ... + 74118.

It is an arithmetic number, because the mean of its divisors is an integer number (64795536).

Almost surely, 2^677440743 is an apocalyptic number.

677440743 is a deficient number, since it is larger than the sum of its proper divisors (359287833).

677440743 is a wasteful number, since it uses less digits than its factorization.

677440743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138694.

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 677440743 is about 26027.6918492593. The cubic root of 677440743 is about 878.2613497708.

The spelling of 677440743 in words is "six hundred seventy-seven million, four hundred forty thousand, seven hundred forty-three".