78105024736 has 24 divisors (see below), whose sum is σ = 156670577784. Its totient is φ = 38315671680.

The previous prime is 78105024727. The next prime is 78105024817. The reversal of 78105024736 is 63742050187.

It is a super-2 number, since 2×78105024736² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78105024692 and 78105024701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23024550 + ... + 23027941.

It is an arithmetic number, because the mean of its divisors is an integer number (6527940741).

Almost surely, 2^78105024736 is an apocalyptic number.

It is an amenable number.

78105024736 is an abundant number, since it is smaller than the sum of its proper divisors (78565553048).

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

78105024736 is a wasteful number, since it uses less digits than its factorization.

78105024736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46052554 (or 46052546 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 78105024736 in words is "seventy-eight billion, one hundred five million, twenty-four thousand, seven hundred thirty-six".