813983677 has 8 divisors (see below), whose sum is σ = 877221464. Its totient is φ = 750835008.

The previous prime is 813983671. The next prime is 813983717. The reversal of 813983677 is 776389318.

It is a happy number.

813983677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 130736356 + 683247321 = 11434^2 + 26139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813983677 - 2²⁷ = 679765949 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 (813983671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658 + ... + 40435.

It is an arithmetic number, because the mean of its divisors is an integer number (109652683).

Almost surely, 2^813983677 is an apocalyptic number.

It is an amenable number.

813983677 is a deficient number, since it is larger than the sum of its proper divisors (63237787).

813983677 is a wasteful number, since it uses less digits than its factorization.

813983677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44559.

The product of its digits is 1524096, while the sum is 52.

The square root of 813983677 is about 28530.3991735132. The cubic root of 813983677 is about 933.6954275175.

The spelling of 813983677 in words is "eight hundred thirteen million, nine hundred eighty-three thousand, six hundred seventy-seven".