78873311 has 8 divisors (see below), whose sum is σ = 86275200. Its totient is φ = 71510040.

The previous prime is 78873281. The next prime is 78873329. The reversal of 78873311 is 11337887.

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 78873311 - 2⁶ = 78873247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78873341) 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, 5291 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (10784400).

Almost surely, 2^78873311 is an apocalyptic number.

78873311 is a deficient number, since it is larger than the sum of its proper divisors (7401889).

78873311 is a wasteful number, since it uses less digits than its factorization.

78873311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19309.

The product of its digits is 28224, while the sum is 38.

The square root of 78873311 is about 8881.0647447252. The cubic root of 78873311 is about 428.8545519321.

The spelling of 78873311 in words is "seventy-eight million, eight hundred seventy-three thousand, three hundred eleven".