679571950 has 12 divisors (see below), whose sum is σ = 1264003920. Its totient is φ = 271828760.

The previous prime is 679571947. The next prime is 679571951. The reversal of 679571950 is 59175976.

It is a junction number, because it is equal to n+sod(n) for n = 679571894 and 679571903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679571951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6795670 + ... + 6795769.

It is an arithmetic number, because the mean of its divisors is an integer number (105333660).

Almost surely, 2^679571950 is an apocalyptic number.

679571950 is a deficient number, since it is larger than the sum of its proper divisors (584431970).

679571950 is a wasteful number, since it uses less digits than its factorization.

679571950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591451 (or 13591446 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 49.

The square root of 679571950 is about 26068.6008446944. The cubic root of 679571950 is about 879.1813797268.

The spelling of 679571950 in words is "six hundred seventy-nine million, five hundred seventy-one thousand, nine hundred fifty".