78242512242260 has 48 divisors (see below), whose sum is σ = 165232766764800. Its totient is φ = 31121113613184.

The previous prime is 78242512242241. The next prime is 78242512242263. The reversal of 78242512242260 is 6224221524287.

It is a super-2 number, since 2×78242512242260² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78242512242263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110674181 + ... + 111378899.

It is an arithmetic number, because the mean of its divisors is an integer number (3442349307600).

Almost surely, 2^{78242512242260} is an apocalyptic number.

It is an amenable number.

78242512242260 is an abundant number, since it is smaller than the sum of its proper divisors (86990254522540).

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

78242512242260 is a wasteful number, since it uses less digits than its factorization.

78242512242260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735920 (or 735918 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 47.

The spelling of 78242512242260 in words is "seventy-eight trillion, two hundred forty-two billion, five hundred twelve million, two hundred forty-two thousand, two hundred sixty".