78233201 has 8 divisors (see below), whose sum is σ = 82938240. Its totient is φ = 73539648.

The previous prime is 78233191. The next prime is 78233209. The reversal of 78233201 is 10233287.

78233201 = T₁₇₂₆ + T₁₇₂₇ + ... + T₁₇₇₆.

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 78233201 - 2¹⁸ = 77971057 is a prime.

It is a super-2 number, since 2×78233201² = 12240867477412802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78233209) 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, 14060 + ... + 18818.

It is an arithmetic number, because the mean of its divisors is an integer number (10367280).

Almost surely, 2^78233201 is an apocalyptic number.

It is an amenable number.

78233201 is a deficient number, since it is larger than the sum of its proper divisors (4705039).

78233201 is a wasteful number, since it uses less digits than its factorization.

78233201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 78233201 is about 8844.9534198887. The cubic root of 78233201 is about 427.6912514763.

Adding to 78233201 its reverse (10233287), we get a palindrome (88466488).

The spelling of 78233201 in words is "seventy-eight million, two hundred thirty-three thousand, two hundred one".