79585380 has 144 divisors (see below), whose sum is σ = 279586944. Its totient is φ = 17948160.

The previous prime is 79585379. The next prime is 79585397. The reversal of 79585380 is 8358597.

It is a super-3 number, since 3×79585380³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104200 + ... + 104960.

It is an arithmetic number, because the mean of its divisors is an integer number (1941576).

Almost surely, 2^79585380 is an apocalyptic number.

79585380 is a gapful number since it is divisible by the number (70) 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 79585380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139793472).

79585380 is an abundant number, since it is smaller than the sum of its proper divisors (200001564).

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

79585380 is a wasteful number, since it uses less digits than its factorization.

79585380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 79585380 is about 8921.0638379063. The cubic root of 79585380 is about 430.1412551970.

The spelling of 79585380 in words is "seventy-nine million, five hundred eighty-five thousand, three hundred eighty".