677489400 has 192 divisors, whose sum is σ = 2667091200. Its totient is φ = 154846080.

The previous prime is 677489399. The next prime is 677489437. The reversal of 677489400 is 4984776.

It is a super-2 number, since 2×677489400² = 917983774224720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 28839 + ... + 46761.

It is an arithmetic number, because the mean of its divisors is an integer number (13891100).

Almost surely, 2^677489400 is an apocalyptic number.

677489400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677489400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333545600).

677489400 is an abundant number, since it is smaller than the sum of its proper divisors (1989601800).

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

677489400 is a wasteful number, since it uses less digits than its factorization.

677489400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17955 (or 17940 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 677489400 is about 26028.6265484754. The cubic root of 677489400 is about 878.2823762295.

The spelling of 677489400 in words is "six hundred seventy-seven million, four hundred eighty-nine thousand, four hundred".