677768701 has 4 divisors (see below), whose sum is σ = 696086812. Its totient is φ = 659450592.

The previous prime is 677768687. The next prime is 677768711. The reversal of 677768701 is 107867776.

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

It can be written as a sum of positive squares in 2 ways, for example, as 595848100 + 81920601 = 24410^2 + 9051^2 .

It is a cyclic number.

It is not a de Polignac number, because 677768701 - 2¹⁹ = 677244413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677768711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9159000 + ... + 9159073.

It is an arithmetic number, because the mean of its divisors is an integer number (174021703).

Almost surely, 2^677768701 is an apocalyptic number.

It is an amenable number.

677768701 is a deficient number, since it is larger than the sum of its proper divisors (18318111).

677768701 is a wasteful number, since it uses less digits than its factorization.

677768701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318110.

The product of its (nonzero) digits is 691488, while the sum is 49.

The square root of 677768701 is about 26033.9912614259. The cubic root of 677768701 is about 878.4030528748.

The spelling of 677768701 in words is "six hundred seventy-seven million, seven hundred sixty-eight thousand, seven hundred one".