676780811 has 8 divisors (see below), whose sum is σ = 774730464. Its totient is φ = 579147840.

The previous prime is 676780789. The next prime is 676780813. The reversal of 676780811 is 118087676.

676780811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 676780811 - 2¹⁰ = 676779787 is a prime.

It is a super-2 number, since 2×676780811² = 916064532275635442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676780813) 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, 74570 + ... + 83151.

It is an arithmetic number, because the mean of its divisors is an integer number (96841308).

Almost surely, 2^676780811 is an apocalyptic number.

676780811 is a deficient number, since it is larger than the sum of its proper divisors (97949653).

676780811 is a wasteful number, since it uses less digits than its factorization.

676780811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158341.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 676780811 is about 26015.0112627306. The cubic root of 676780811 is about 877.9760696774.

It can be divided in two parts, 6767 and 80811, that added together give a palindrome (87578).

The spelling of 676780811 in words is "six hundred seventy-six million, seven hundred eighty thousand, eight hundred eleven".