78242256414 has 48 divisors (see below), whose sum is σ = 193899739488. Its totient is φ = 22336814016.

The previous prime is 78242256413. The next prime is 78242256419. The reversal of 78242256414 is 41465224287.

78242256414 is a `hidden beast` number, since 7 + 8 + 2 + 4 + 225 + 6 + 414 = 666.

It is a super-2 number, since 2×78242256414² (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 78242256414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78242256413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95137 + ... + 406860.

It is an arithmetic number, because the mean of its divisors is an integer number (4039577906).

Almost surely, 2^78242256414 is an apocalyptic number.

78242256414 is an abundant number, since it is smaller than the sum of its proper divisors (115657483074).

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

78242256414 is a wasteful number, since it uses less digits than its factorization.

78242256414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503249 (or 503246 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The spelling of 78242256414 in words is "seventy-eight billion, two hundred forty-two million, two hundred fifty-six thousand, four hundred fourteen".