677023488 has 144 divisors (see below), whose sum is σ = 2051767200. Its totient is φ = 220078080.

The previous prime is 677023483. The next prime is 677023489. The reversal of 677023488 is 884320776.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×677023488² = 916721606607372288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677023481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282198 + ... + 284586.

Almost surely, 2^677023488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677023488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025883600).

677023488 is an abundant number, since it is smaller than the sum of its proper divisors (1374743712).

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

677023488 is a wasteful number, since it uses less digits than its factorization.

677023488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 677023488 is about 26019.6750171865. The cubic root of 677023488 is about 878.0809973653.

The spelling of 677023488 in words is "six hundred seventy-seven million, twenty-three thousand, four hundred eighty-eight".