677388106 has 4 divisors (see below), whose sum is σ = 1016082162. Its totient is φ = 338694052.

The previous prime is 677388083. The next prime is 677388109. The reversal of 677388106 is 601883776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 395651881 + 281736225 = 19891^2 + 16785^2 .

It is not an unprimeable number, because it can be changed into a prime (677388109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169347025 + ... + 169347028.

Almost surely, 2^677388106 is an apocalyptic number.

677388106 is a deficient number, since it is larger than the sum of its proper divisors (338694056).

677388106 is a wasteful number, since it uses less digits than its factorization.

677388106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338694055.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 677388106 is about 26026.6806565878. The cubic root of 677388106 is about 878.2386022757.

The spelling of 677388106 in words is "six hundred seventy-seven million, three hundred eighty-eight thousand, one hundred six".