677949903 has 12 divisors (see below), whose sum is σ = 981409728. Its totient is φ = 450974880.

The previous prime is 677949901. The next prime is 677949959. The reversal of 677949903 is 309949776.

677949903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677949903 - 2¹ = 677949901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677949903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677949901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78303 + ... + 86528.

It is an arithmetic number, because the mean of its divisors is an integer number (81784144).

Almost surely, 2^677949903 is an apocalyptic number.

677949903 is a deficient number, since it is larger than the sum of its proper divisors (303459825).

677949903 is a wasteful number, since it uses less digits than its factorization.

677949903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165294 (or 165291 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 677949903 is about 26037.4711329653. The cubic root of 677949903 is about 878.4813264841.

The spelling of 677949903 in words is "six hundred seventy-seven million, nine hundred forty-nine thousand, nine hundred three".