677732343 has 4 divisors (see below), whose sum is σ = 903643128. Its totient is φ = 451821560.

The previous prime is 677732333. The next prime is 677732347. The reversal of 677732343 is 343237776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677732343 - 2¹⁰ = 677731319 is a prime.

It is a super-2 number, since 2×677732343² = 918642257496539298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 677732295 and 677732304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677732347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112955388 + ... + 112955393.

It is an arithmetic number, because the mean of its divisors is an integer number (225910782).

Almost surely, 2^677732343 is an apocalyptic number.

677732343 is a deficient number, since it is larger than the sum of its proper divisors (225910785).

677732343 is a wasteful number, since it uses less digits than its factorization.

677732343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225910784.

The product of its digits is 444528, while the sum is 42.

The square root of 677732343 is about 26033.2929726533. The cubic root of 677732343 is about 878.3873456730.

The spelling of 677732343 in words is "six hundred seventy-seven million, seven hundred thirty-two thousand, three hundred forty-three".