78702112 has 48 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 36799488.

The previous prime is 78702101. The next prime is 78702131. The reversal of 78702112 is 21120787.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107893 + ... + 108619.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^78702112 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 78702112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

78702112 is an abundant number, since it is smaller than the sum of its proper divisors (86408288).

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

78702112 is a wasteful number, since it uses less digits than its factorization.

78702112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 78702112 is about 8871.4210812023. The cubic root of 78702112 is about 428.5440427792.

Adding to 78702112 its reverse (21120787), we get a palindrome (99822899).

The spelling of 78702112 in words is "seventy-eight million, seven hundred two thousand, one hundred twelve".