675978719 has 8 divisors (see below), whose sum is σ = 753080160. Its totient is φ = 602463456.

The previous prime is 675978707. The next prime is 675978727. The reversal of 675978719 is 917879576.

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 675978719 - 2⁴ = 675978703 is a prime.

It is a super-2 number, since 2×675978719² = 913894457081761922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675978739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896147 + ... + 896900.

It is an arithmetic number, because the mean of its divisors is an integer number (94135020).

Almost surely, 2^675978719 is an apocalyptic number.

675978719 is a deficient number, since it is larger than the sum of its proper divisors (77101441).

675978719 is a wasteful number, since it uses less digits than its factorization.

675978719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793089.

The product of its digits is 6667920, while the sum is 59.

The square root of 675978719 is about 25999.5907467791. The cubic root of 675978719 is about 877.6290858601.

The spelling of 675978719 in words is "six hundred seventy-five million, nine hundred seventy-eight thousand, seven hundred nineteen".