677597389 has 4 divisors (see below), whose sum is σ = 774397024. Its totient is φ = 580797756.

The previous prime is 677597377. The next prime is 677597413. The reversal of 677597389 is 983795776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 677597389 - 2¹³ = 677589197 is a prime.

It is a super-3 number, since 3×677597389³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677597689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48399807 + ... + 48399820.

It is an arithmetic number, because the mean of its divisors is an integer number (193599256).

Almost surely, 2^677597389 is an apocalyptic number.

It is an amenable number.

677597389 is a deficient number, since it is larger than the sum of its proper divisors (96799635).

677597389 is an equidigital number, since it uses as much as digits as its factorization.

677597389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96799634.

The product of its digits is 20003760, while the sum is 61.

The square root of 677597389 is about 26030.7008933682. The cubic root of 677597389 is about 878.3290386062.

The spelling of 677597389 in words is "six hundred seventy-seven million, five hundred ninety-seven thousand, three hundred eighty-nine".