679150836722 has 6 divisors (see below), whose sum is σ = 1018728003279. Its totient is φ = 339574835630.

The previous prime is 679150836719. The next prime is 679150836731. The reversal of 679150836722 is 227638051976.

679150836722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 339575418361 + 339575418361 = 582731^2 + 582731^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=582731.

It is a super-2 number, since 2×679150836722² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 874097 + ... + 1456827.

Almost surely, 2^679150836722 is an apocalyptic number.

679150836722 is a deficient number, since it is larger than the sum of its proper divisors (339577166557).

679150836722 is an frugal number, since it uses more digits than its factorization.

679150836722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165464 (or 582733 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 679150836722 in words is "six hundred seventy-nine billion, one hundred fifty million, eight hundred thirty-six thousand, seven hundred twenty-two".