78148037760 has 512 divisors, whose sum is σ = 274395340800. Its totient is φ = 18802409472.

The previous prime is 78148037731. The next prime is 78148037777. The reversal of 78148037760 is 6773084187.

It is a super-2 number, since 2×78148037760² (a number of 23 digits) contains 22 as substring.

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, 282122742 + ... + 282123018.

It is an arithmetic number, because the mean of its divisors is an integer number (535928400).

Almost surely, 2^78148037760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78148037760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137197670400).

78148037760 is an abundant number, since it is smaller than the sum of its proper divisors (196247303040).

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

78148037760 is a wasteful number, since it uses less digits than its factorization.

78148037760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 78148037760 in words is "seventy-eight billion, one hundred forty-eight million, thirty-seven thousand, seven hundred sixty".