677652500557 has 4 divisors (see below), whose sum is σ = 679572196380. Its totient is φ = 675732804736.

The previous prime is 677652500543. The next prime is 677652500579. The reversal of 677652500557 is 755005256776.

677652500557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 375173400196 + 302479100361 = 612514^2 + 549981^2 .

It is a cyclic number.

It is not a de Polignac number, because 677652500557 - 2³¹ = 675505016909 is a prime.

It is a super-3 number, since 3×677652500557³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677652500498 and 677652500507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677652500537) 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, 959847382 + ... + 959848087.

It is an arithmetic number, because the mean of its divisors is an integer number (169893049095).

Almost surely, 2^677652500557 is an apocalyptic number.

It is an amenable number.

677652500557 is a deficient number, since it is larger than the sum of its proper divisors (1919695823).

677652500557 is a wasteful number, since it uses less digits than its factorization.

677652500557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919695822.

The product of its (nonzero) digits is 15435000, while the sum is 55.

The spelling of 677652500557 in words is "six hundred seventy-seven billion, six hundred fifty-two million, five hundred thousand, five hundred fifty-seven".