78555114 has 48 divisors (see below), whose sum is σ = 187372224. Its totient is φ = 23587200.

The previous prime is 78555091. The next prime is 78555119. The reversal of 78555114 is 41155587.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78555119) 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, 20619 + ... + 24129.

It is an arithmetic number, because the mean of its divisors is an integer number (3903588).

Almost surely, 2^78555114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78555114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93686112).

78555114 is an abundant number, since it is smaller than the sum of its proper divisors (108817110).

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

78555114 is a wasteful number, since it uses less digits than its factorization.

78555114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3640 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 78555114 is about 8863.1322905618. The cubic root of 78555114 is about 428.2770682486.

The spelling of 78555114 in words is "seventy-eight million, five hundred fifty-five thousand, one hundred fourteen".