78586648296 has 256 divisors, whose sum is σ = 235775232000. Its totient is φ = 21601520640.

The previous prime is 78586648241. The next prime is 78586648307. The reversal of 78586648296 is 69284668587.

It is a super-2 number, since 2×78586648296² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78586648296.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7386901 + ... + 7397531.

It is an arithmetic number, because the mean of its divisors is an integer number (920997000).

Almost surely, 2^78586648296 is an apocalyptic number.

78586648296 is a gapful number since it is divisible by the number (76) 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 78586648296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117887616000).

78586648296 is an abundant number, since it is smaller than the sum of its proper divisors (157188583704).

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

78586648296 is a wasteful number, since it uses less digits than its factorization.

78586648296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744 (or 10740 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 69.

The spelling of 78586648296 in words is "seventy-eight billion, five hundred eighty-six million, six hundred forty-eight thousand, two hundred ninety-six".