78038334 has 48 divisors (see below), whose sum is σ = 188972784. Its totient is φ = 23068800.

The previous prime is 78038327. The next prime is 78038371. The reversal of 78038334 is 43383087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3312 + ... + 12924.

It is an arithmetic number, because the mean of its divisors is an integer number (3936933).

Almost surely, 2^78038334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78038334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94486392).

78038334 is an abundant number, since it is smaller than the sum of its proper divisors (110934450).

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

78038334 is a wasteful number, since it uses less digits than its factorization.

78038334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673 (or 9670 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 78038334 is about 8833.9308351379. The cubic root of 78038334 is about 427.3358516200.

The spelling of 78038334 in words is "seventy-eight million, thirty-eight thousand, three hundred thirty-four".