78052411 has 4 divisors (see below), whose sum is σ = 79525152. Its totient is φ = 76579672.

The previous prime is 78052319. The next prime is 78052417. The reversal of 78052411 is 11425087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11425087 = 241 ⋅47407.

It is a cyclic number.

It is not a de Polignac number, because 78052411 - 2⁷ = 78052283 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 78052411.

It is not an unprimeable number, because it can be changed into a prime (78052417) 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, 736291 + ... + 736396.

It is an arithmetic number, because the mean of its divisors is an integer number (19881288).

Almost surely, 2^78052411 is an apocalyptic number.

78052411 is a deficient number, since it is larger than the sum of its proper divisors (1472741).

78052411 is a wasteful number, since it uses less digits than its factorization.

78052411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472740.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 78052411 is about 8834.7275566369. The cubic root of 78052411 is about 427.3615451682.

Adding to 78052411 its reverse (11425087), we get a palindrome (89477498).

The spelling of 78052411 in words is "seventy-eight million, fifty-two thousand, four hundred eleven".