677936871 has 20 divisors (see below), whose sum is σ = 1013461152. Its totient is φ = 451627488.

The previous prime is 677936869. The next prime is 677936879. The reversal of 677936871 is 178639776.

It is not a de Polignac number, because 677936871 - 2¹ = 677936869 is a prime.

It is a super-2 number, since 2×677936871² = 919196802122541282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677936879) 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 19 ways as a sum of consecutive naturals, for example, 165075 + ... + 169131.

Almost surely, 2^677936871 is an apocalyptic number.

677936871 is a deficient number, since it is larger than the sum of its proper divisors (335524281).

677936871 is a wasteful number, since it uses less digits than its factorization.

677936871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132 (or 6123 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 677936871 is about 26037.2208770445. The cubic root of 677936871 is about 878.4756975323.

The spelling of 677936871 in words is "six hundred seventy-seven million, nine hundred thirty-six thousand, eight hundred seventy-one".