78527001 has 8 divisors (see below), whose sum is σ = 119660224. Its totient is φ = 44872560.

The previous prime is 78526969. The next prime is 78527011. The reversal of 78527001 is 10072587.

It is a happy number.

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

It is not a de Polignac number, because 78527001 - 2⁵ = 78526969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78527001.

It is not an unprimeable number, because it can be changed into a prime (78527011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869670 + ... + 1869711.

It is an arithmetic number, because the mean of its divisors is an integer number (14957528).

Almost surely, 2^78527001 is an apocalyptic number.

It is an amenable number.

78527001 is a deficient number, since it is larger than the sum of its proper divisors (41133223).

78527001 is a wasteful number, since it uses less digits than its factorization.

78527001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739391.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 78527001 is about 8861.5461969117. The cubic root of 78527001 is about 428.2259721065.

Adding to 78527001 its reverse (10072587), we get a palindrome (88599588).

The spelling of 78527001 in words is "seventy-eight million, five hundred twenty-seven thousand, one".