78964329 has 8 divisors (see below), whose sum is σ = 107272512. Its totient is φ = 51649520.

The previous prime is 78964309. The next prime is 78964331. The reversal of 78964329 is 92346987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78964329 - 2¹⁶ = 78898793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78964309) 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, 248157 + ... + 248474.

It is an arithmetic number, because the mean of its divisors is an integer number (13409064).

Almost surely, 2^78964329 is an apocalyptic number.

It is an amenable number.

78964329 is a deficient number, since it is larger than the sum of its proper divisors (28308183).

78964329 is a wasteful number, since it uses less digits than its factorization.

78964329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496687.

The product of its digits is 653184, while the sum is 48.

The square root of 78964329 is about 8886.1875402222. The cubic root of 78964329 is about 429.0194513053.

The spelling of 78964329 in words is "seventy-eight million, nine hundred sixty-four thousand, three hundred twenty-nine".