679157760 has 112 divisors (see below), whose sum is σ = 2173565376. Its totient is φ = 181075968.

The previous prime is 679157749. The next prime is 679157779. The reversal of 679157760 is 67751976.

It is a happy number.

It is a super-2 number, since 2×679157760² = 922510525936435200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 120117 + ... + 125643.

Almost surely, 2^679157760 is an apocalyptic number.

679157760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679157760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086782688).

679157760 is an abundant number, since it is smaller than the sum of its proper divisors (1494407616).

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

679157760 is an equidigital number, since it uses as much as digits as its factorization.

679157760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561 (or 5537 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 679157760 is about 26060.6554023493. The cubic root of 679157760 is about 879.0027270019.

The spelling of 679157760 in words is "six hundred seventy-nine million, one hundred fifty-seven thousand, seven hundred sixty".