78038760 has 64 divisors (see below), whose sum is σ = 236779200. Its totient is φ = 20573696.

The previous prime is 78038759. The next prime is 78038767. The reversal of 78038760 is 6783087.

It is not an unprimeable number, because it can be changed into a prime (78038767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7027 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (3699675).

Almost surely, 2^78038760 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 78038760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118389600).

78038760 is an abundant number, since it is smaller than the sum of its proper divisors (158740440).

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

78038760 is a wasteful number, since it uses less digits than its factorization.

78038760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 78038760 is about 8833.9549466816. The cubic root of 78038760 is about 427.3366292068.

The spelling of 78038760 in words is "seventy-eight million, thirty-eight thousand, seven hundred sixty".