78334303 has 4 divisors (see below), whose sum is σ = 80861248. Its totient is φ = 75807360.

The previous prime is 78334301. The next prime is 78334337. The reversal of 78334303 is 30343387.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30343387 = 223 ⋅136069.

It is a cyclic number.

It is not a de Polignac number, because 78334303 - 2¹ = 78334301 is a prime.

It is a super-2 number, since 2×78334303² = 12272526052991618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2526913 = 78334303 / (7 + 8 + 3 + 3 + 4 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78334301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263426 + ... + 1263487.

It is an arithmetic number, because the mean of its divisors is an integer number (20215312).

Almost surely, 2^78334303 is an apocalyptic number.

78334303 is a deficient number, since it is larger than the sum of its proper divisors (2526945).

78334303 is a wasteful number, since it uses less digits than its factorization.

78334303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526944.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 78334303 is about 8850.6668110375. Note that the first 3 decimals coincide. The cubic root of 78334303 is about 427.8754095530.

The spelling of 78334303 in words is "seventy-eight million, three hundred thirty-four thousand, three hundred three".