677143520 has 24 divisors (see below), whose sum is σ = 1599751944. Its totient is φ = 270857344.

The previous prime is 677143513. The next prime is 677143583. The reversal of 677143520 is 25341776.

It is a congruent number.

It is an unprimeable number.

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, 2115914 + ... + 2116233.

It is an arithmetic number, because the mean of its divisors is an integer number (66656331).

Almost surely, 2^677143520 is an apocalyptic number.

It is an amenable number.

677143520 is an abundant number, since it is smaller than the sum of its proper divisors (922608424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677143520 is a wasteful number, since it uses less digits than its factorization.

677143520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232162 (or 4232154 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 677143520 is about 26021.9814772050. The cubic root of 677143520 is about 878.1328870422.

The spelling of 677143520 in words is "six hundred seventy-seven million, one hundred forty-three thousand, five hundred twenty".