677136942543 has 8 divisors (see below), whose sum is σ = 903601009456. Its totient is φ = 451048752000.

The previous prime is 677136942541. The next prime is 677136942557. The reversal of 677136942543 is 345249631776.

It is a happy number.

677136942543 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 677136942543 - 2¹ = 677136942541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677136942541) 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, 93964888 + ... + 93972093.

It is an arithmetic number, because the mean of its divisors is an integer number (112950126182).

Almost surely, 2^677136942543 is an apocalyptic number.

677136942543 is a deficient number, since it is larger than the sum of its proper divisors (226464066913).

677136942543 is a wasteful number, since it uses less digits than its factorization.

677136942543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187938185.

The product of its digits is 22861440, while the sum is 57.

The spelling of 677136942543 in words is "six hundred seventy-seven billion, one hundred thirty-six million, nine hundred forty-two thousand, five hundred forty-three".