677280043 has 8 divisors (see below), whose sum is σ = 746167536. Its totient is φ = 609612000.

The previous prime is 677280029. The next prime is 677280047. The reversal of 677280043 is 340082776.

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 677280043 - 2⁹ = 677279531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677279984 and 677280011.

It is not an unprimeable number, because it can be changed into a prime (677280047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303696 + ... + 305917.

It is an arithmetic number, because the mean of its divisors is an integer number (93270942).

Almost surely, 2^677280043 is an apocalyptic number.

677280043 is a deficient number, since it is larger than the sum of its proper divisors (68887493).

677280043 is a wasteful number, since it uses less digits than its factorization.

677280043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609725.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 677280043 is about 26024.6045695223. The cubic root of 677280043 is about 878.1918983038.

The spelling of 677280043 in words is "six hundred seventy-seven million, two hundred eighty thousand, forty-three".