677600891 has 16 divisors (see below), whose sum is σ = 759822336. Its totient is φ = 598920000.

The previous prime is 677600851. The next prime is 677600897. The reversal of 677600891 is 198006776.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677600891 is a prime.

It is a super-3 number, since 3×677600891³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677600897) 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, 137846 + ... + 142676.

It is an arithmetic number, because the mean of its divisors is an integer number (47488896).

Almost surely, 2^677600891 is an apocalyptic number.

677600891 is a deficient number, since it is larger than the sum of its proper divisors (82221445).

677600891 is a wasteful number, since it uses less digits than its factorization.

677600891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 677600891 is about 26030.7681600063. The cubic root of 677600891 is about 878.3305517481.

The spelling of 677600891 in words is "six hundred seventy-seven million, six hundred thousand, eight hundred ninety-one".