677707849 has 16 divisors (see below), whose sum is σ = 835612288. Its totient is φ = 535237632.

The previous prime is 677707841. The next prime is 677707853. The reversal of 677707849 is 948707776.

It is a cyclic number.

It is not a de Polignac number, because 677707849 - 2³ = 677707841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677707849.

It is not an unprimeable number, because it can be changed into a prime (677707841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46054 + ... + 58960.

It is an arithmetic number, because the mean of its divisors is an integer number (52225768).

Almost surely, 2^677707849 is an apocalyptic number.

It is an amenable number.

677707849 is a deficient number, since it is larger than the sum of its proper divisors (157904439).

677707849 is a wasteful number, since it uses less digits than its factorization.

677707849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504.

The product of its (nonzero) digits is 4148928, while the sum is 55.

The square root of 677707849 is about 26032.8225323341. The cubic root of 677707849 is about 878.3767635806.

The spelling of 677707849 in words is "six hundred seventy-seven million, seven hundred seven thousand, eight hundred forty-nine".