676749999 has 16 divisors (see below), whose sum is σ = 991123200. Its totient is φ = 408836736.

The previous prime is 676749979. The next prime is 676750021. The reversal of 676749999 is 999947676.

676749999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 676749999 - 2⁵ = 676749967 is a prime.

It is a super-2 number, since 2×676749999² = 915981122293000002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676749979) 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, 256794 + ... + 259415.

It is an arithmetic number, because the mean of its divisors is an integer number (61945200).

Almost surely, 2^676749999 is an apocalyptic number.

676749999 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

676749999 is a deficient number, since it is larger than the sum of its proper divisors (314373201).

676749999 is a wasteful number, since it uses less digits than its factorization.

676749999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516254.

The product of its digits is 46294416, while the sum is 66.

The square root of 676749999 is about 26014.4190594370. The cubic root of 676749999 is about 877.9627455165.

The spelling of 676749999 in words is "six hundred seventy-six million, seven hundred forty-nine thousand, nine hundred ninety-nine".