679066767580 has 24 divisors (see below), whose sum is σ = 1427914146960. Its totient is φ = 271269767040.

The previous prime is 679066767571. The next prime is 679066767593. The reversal of 679066767580 is 85767660976.

It is a super-2 number, since 2×679066767580² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22293150 + ... + 22323589.

It is an arithmetic number, because the mean of its divisors is an integer number (59496422790).

Almost surely, 2^679066767580 is an apocalyptic number.

It is an amenable number.

679066767580 is an abundant number, since it is smaller than the sum of its proper divisors (748847379380).

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

679066767580 is a wasteful number, since it uses less digits than its factorization.

679066767580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44617509 (or 44617507 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 67.

The spelling of 679066767580 in words is "six hundred seventy-nine billion, sixty-six million, seven hundred sixty-seven thousand, five hundred eighty".