677538143 has 8 divisors (see below), whose sum is σ = 694421376. Its totient is φ = 660706200.

The previous prime is 677538131. The next prime is 677538149. The reversal of 677538143 is 341835776.

677538143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 677538143 - 2²⁴ = 660760927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677538094 and 677538103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677538149) 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, 14648 + ... + 39618.

It is an arithmetic number, because the mean of its divisors is an integer number (86802672).

Almost surely, 2^677538143 is an apocalyptic number.

677538143 is a deficient number, since it is larger than the sum of its proper divisors (16883233).

677538143 is a wasteful number, since it uses less digits than its factorization.

677538143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25645.

The product of its digits is 423360, while the sum is 44.

The square root of 677538143 is about 26029.5628660952. The cubic root of 677538143 is about 878.3034388426.

The spelling of 677538143 in words is "six hundred seventy-seven million, five hundred thirty-eight thousand, one hundred forty-three".