677419989 has 16 divisors (see below), whose sum is σ = 948515712. Its totient is φ = 429219648.

The previous prime is 677419949. The next prime is 677420011. The reversal of 677419989 is 989914776.

It is not a de Polignac number, because 677419989 - 2⁷ = 677419861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677419909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20434 + ... + 42099.

It is an arithmetic number, because the mean of its divisors is an integer number (59282232).

Almost surely, 2^677419989 is an apocalyptic number.

677419989 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

677419989 is a deficient number, since it is larger than the sum of its proper divisors (271095723).

677419989 is a wasteful number, since it uses less digits than its factorization.

677419989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62716.

The product of its digits is 6858432, while the sum is 60.

The square root of 677419989 is about 26027.2931554551. The cubic root of 677419989 is about 878.2523809066.

The spelling of 677419989 in words is "six hundred seventy-seven million, four hundred nineteen thousand, nine hundred eighty-nine".