677338906 has 32 divisors (see below), whose sum is σ = 1066348800. Its totient is φ = 322271040.

The previous prime is 677338903. The next prime is 677338943. The reversal of 677338906 is 609833776.

It is a self number, because there is not a number n which added to its sum of digits gives 677338906.

It is not an unprimeable number, because it can be changed into a prime (677338903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1815736 + ... + 1816108.

It is an arithmetic number, because the mean of its divisors is an integer number (33323400).

Almost surely, 2^677338906 is an apocalyptic number.

677338906 is a deficient number, since it is larger than the sum of its proper divisors (389009894).

677338906 is a wasteful number, since it uses less digits than its factorization.

677338906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 677338906 is about 26025.7354555063. The cubic root of 677338906 is about 878.2173390417.

The spelling of 677338906 in words is "six hundred seventy-seven million, three hundred thirty-eight thousand, nine hundred six".