676148709 has 4 divisors (see below), whose sum is σ = 901531616. Its totient is φ = 450765804.

The previous prime is 676148699. The next prime is 676148723. The reversal of 676148709 is 907841676.

676148709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 676148709 - 2⁵ = 676148677 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 (676148009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112691449 + ... + 112691454.

It is an arithmetic number, because the mean of its divisors is an integer number (225382904).

Almost surely, 2^676148709 is an apocalyptic number.

It is an amenable number.

676148709 is a deficient number, since it is larger than the sum of its proper divisors (225382907).

676148709 is a wasteful number, since it uses less digits than its factorization.

676148709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225382906.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 676148709 is about 26002.8596312021. The cubic root of 676148709 is about 877.7026461958.

The spelling of 676148709 in words is "six hundred seventy-six million, one hundred forty-eight thousand, seven hundred nine".