679573197 has 12 divisors (see below), whose sum is σ = 983140704. Its totient is φ = 452340360.

The previous prime is 679573189. The next prime is 679573199. The reversal of 679573197 is 791375976.

679573197 is a `hidden beast` number, since 67 + 9 + 573 + 1 + 9 + 7 = 666.

It is not a de Polignac number, because 679573197 - 2³ = 679573189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679573199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52929 + ... + 64502.

It is an arithmetic number, because the mean of its divisors is an integer number (81928392).

Almost surely, 2^679573197 is an apocalyptic number.

It is an amenable number.

679573197 is a deficient number, since it is larger than the sum of its proper divisors (303567507).

679573197 is a wasteful number, since it uses less digits than its factorization.

679573197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118080 (or 118077 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 54.

The square root of 679573197 is about 26068.6247623460. The cubic root of 679573197 is about 879.1819174861.

The spelling of 679573197 in words is "six hundred seventy-nine million, five hundred seventy-three thousand, one hundred ninety-seven".