679798886849 has 8 divisors (see below), whose sum is σ = 682790236128. Its totient is φ = 676809784000.

The previous prime is 679798886803. The next prime is 679798886891. The reversal of 679798886849 is 948688897976.

679798886849 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 679798886849 - 2¹² = 679798882753 is a prime.

It is a super-2 number, since 2×679798886849² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679098886849) 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, 46394 + ... + 1166940.

It is an arithmetic number, because the mean of its divisors is an integer number (85348779516).

Almost surely, 2^679798886849 is an apocalyptic number.

It is an amenable number.

679798886849 is a deficient number, since it is larger than the sum of its proper divisors (2991349279).

679798886849 is a wasteful number, since it uses less digits than its factorization.

679798886849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123215.

The product of its digits is 21069103104, while the sum is 89.

The spelling of 679798886849 in words is "six hundred seventy-nine billion, seven hundred ninety-eight million, eight hundred eighty-six thousand, eight hundred forty-nine".