679053820 has 24 divisors (see below), whose sum is σ = 1426559904. Its totient is φ = 271517376.

The previous prime is 679053803. The next prime is 679053829. The reversal of 679053820 is 28350976.

It is a super-2 number, since 2×679053820² = 922228180913184800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679053829) 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, 67434 + ... + 76846.

It is an arithmetic number, because the mean of its divisors is an integer number (59439996).

Almost surely, 2^679053820 is an apocalyptic number.

It is an amenable number.

679053820 is an abundant number, since it is smaller than the sum of its proper divisors (747506084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679053820 is a wasteful number, since it uses less digits than its factorization.

679053820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029 (or 13027 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 679053820 is about 26058.6611321457. The cubic root of 679053820 is about 878.9578831232.

The spelling of 679053820 in words is "six hundred seventy-nine million, fifty-three thousand, eight hundred twenty".