677404100 has 36 divisors (see below), whose sum is σ = 1556439444. Its totient is φ = 255022080.

The previous prime is 677404099. The next prime is 677404111. The reversal of 677404100 is 1404776.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 988036 + 676416064 = 994^2 + 26008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197537 + ... + 200936.

It is an arithmetic number, because the mean of its divisors is an integer number (43234429).

Almost surely, 2^677404100 is an apocalyptic number.

It is an amenable number.

677404100 is an abundant number, since it is smaller than the sum of its proper divisors (879035344).

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

677404100 is a wasteful number, since it uses less digits than its factorization.

677404100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398504 (or 398497 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 677404100 is about 26026.9879163917. The cubic root of 677404100 is about 878.2455143337.

Adding to 677404100 its reverse (1404776), we get a palindrome (678808876).

The spelling of 677404100 in words is "six hundred seventy-seven million, four hundred four thousand, one hundred".