677985903 has 96 divisors (see below), whose sum is σ = 1230397440. Its totient is φ = 367416000.

The previous prime is 677985901. The next prime is 677985953. The reversal of 677985903 is 309589776.

It is not a de Polignac number, because 677985903 - 2¹ = 677985901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677985903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677985901) 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 95 ways as a sum of consecutive naturals, for example, 2501658 + ... + 2501928.

It is an arithmetic number, because the mean of its divisors is an integer number (12816640).

Almost surely, 2^677985903 is an apocalyptic number.

677985903 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

677985903 is a deficient number, since it is larger than the sum of its proper divisors (552411537).

677985903 is a wasteful number, since it uses less digits than its factorization.

677985903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 677985903 is about 26038.1624351643. The cubic root of 677985903 is about 878.4968756999.

The spelling of 677985903 in words is "six hundred seventy-seven million, nine hundred eighty-five thousand, nine hundred three".