78964338 has 16 divisors (see below), whose sum is σ = 158990400. Its totient is φ = 26144496.

The previous prime is 78964331. The next prime is 78964339. The reversal of 78964338 is 83346987.

It is not an unprimeable number, because it can be changed into a prime (78964331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43270 + ... + 45057.

It is an arithmetic number, because the mean of its divisors is an integer number (9936900).

Almost surely, 2^78964338 is an apocalyptic number.

78964338 is an abundant number, since it is smaller than the sum of its proper divisors (80026062).

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

78964338 is a wasteful number, since it uses less digits than its factorization.

78964338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88481.

The product of its digits is 870912, while the sum is 48.

The square root of 78964338 is about 8886.1880466261. The cubic root of 78964338 is about 429.0194676046.

The spelling of 78964338 in words is "seventy-eight million, nine hundred sixty-four thousand, three hundred thirty-eight".