677888011 has 4 divisors (see below), whose sum is σ = 684469552. Its totient is φ = 671306472.

The previous prime is 677888009. The next prime is 677888033. The reversal of 677888011 is 110888776.

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

It is a cyclic number.

It is not a de Polignac number, because 677888011 - 2¹ = 677888009 is a prime.

It is a super-2 number, since 2×677888011² = 919064310915072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677888051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290616 + ... + 3290821.

It is an arithmetic number, because the mean of its divisors is an integer number (171117388).

Almost surely, 2^677888011 is an apocalyptic number.

677888011 is a deficient number, since it is larger than the sum of its proper divisors (6581541).

677888011 is a wasteful number, since it uses less digits than its factorization.

677888011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581540.

The product of its (nonzero) digits is 150528, while the sum is 46.

The square root of 677888011 is about 26036.2825879579. The cubic root of 677888011 is about 878.4545926400.

The spelling of 677888011 in words is "six hundred seventy-seven million, eight hundred eighty-eight thousand, eleven".