677553443 has 4 divisors (see below), whose sum is σ = 774346800. Its totient is φ = 580760088.

The previous prime is 677553341. The next prime is 677553449. The reversal of 677553443 is 344355776.

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 677553443 - 2²⁰ = 676504867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677553394 and 677553403.

It is not an unprimeable number, because it can be changed into a prime (677553449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48396668 + ... + 48396681.

It is an arithmetic number, because the mean of its divisors is an integer number (193586700).

Almost surely, 2^677553443 is an apocalyptic number.

677553443 is a deficient number, since it is larger than the sum of its proper divisors (96793357).

677553443 is an equidigital number, since it uses as much as digits as its factorization.

677553443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96793356.

The product of its digits is 1058400, while the sum is 44.

The square root of 677553443 is about 26029.8567610350. The cubic root of 677553443 is about 878.3100500037.

The spelling of 677553443 in words is "six hundred seventy-seven million, five hundred fifty-three thousand, four hundred forty-three".