78627241 has 16 divisors (see below), whose sum is σ = 98229888. Its totient is φ = 61142400.

The previous prime is 78627239. The next prime is 78627293. The reversal of 78627241 is 14272687.

It is not a de Polignac number, because 78627241 - 2¹ = 78627239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78627241.

It is not an unprimeable number, because it can be changed into a prime (78627541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58861 + ... + 60181.

It is an arithmetic number, because the mean of its divisors is an integer number (6139368).

Almost surely, 2^78627241 is an apocalyptic number.

It is an amenable number.

78627241 is a deficient number, since it is larger than the sum of its proper divisors (19602647).

78627241 is a wasteful number, since it uses less digits than its factorization.

78627241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its digits is 37632, while the sum is 37.

The square root of 78627241 is about 8867.2002909599. The cubic root of 78627241 is about 428.4081052965.

The spelling of 78627241 in words is "seventy-eight million, six hundred twenty-seven thousand, two hundred forty-one".