677597388 has 144 divisors (see below), whose sum is σ = 1820044800. Its totient is φ = 195706368.

The previous prime is 677597377. The next prime is 677597413. The reversal of 677597388 is 883795776.

It is a super-3 number, since 3×677597388³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3404913 + ... + 3405111.

It is an arithmetic number, because the mean of its divisors is an integer number (12639200).

Almost surely, 2^677597388 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 677597388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910022400).

677597388 is an abundant number, since it is smaller than the sum of its proper divisors (1142447412).

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

677597388 is a wasteful number, since it uses less digits than its factorization.

677597388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 313 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 60.

The square root of 677597388 is about 26030.7008741601. The cubic root of 677597388 is about 878.3290381741.

The spelling of 677597388 in words is "six hundred seventy-seven million, five hundred ninety-seven thousand, three hundred eighty-eight".