78968233 has 4 divisors (see below), whose sum is σ = 79156228. Its totient is φ = 78780240.

The previous prime is 78968231. The next prime is 78968273. The reversal of 78968233 is 33286987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33286987 = 223 ⋅149269.

It can be written as a sum of positive squares in 2 ways, for example, as 11202409 + 67765824 = 3347^2 + 8232^2 .

It is a cyclic number.

It is not a de Polignac number, because 78968233 - 2¹ = 78968231 is a prime.

It is a super-3 number, since 3×78968233³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78968231) 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, 93366 + ... + 94207.

It is an arithmetic number, because the mean of its divisors is an integer number (19789057).

Almost surely, 2^78968233 is an apocalyptic number.

It is an amenable number.

78968233 is a deficient number, since it is larger than the sum of its proper divisors (187995).

78968233 is a wasteful number, since it uses less digits than its factorization.

78968233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187994.

The product of its digits is 435456, while the sum is 46.

The square root of 78968233 is about 8886.4072042643. The cubic root of 78968233 is about 429.0265214358.

It can be divided in two parts, 7896 and 8233, that added together give a square (16129 = 127²).

The spelling of 78968233 in words is "seventy-eight million, nine hundred sixty-eight thousand, two hundred thirty-three".