78044011 has 8 divisors (see below), whose sum is σ = 80760240. Its totient is φ = 75368832.

The previous prime is 78044003. The next prime is 78044051. The reversal of 78044011 is 11044087.

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 78044011 - 2³ = 78044003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78044051) 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, 6370 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (10095030).

Almost surely, 2^78044011 is an apocalyptic number.

78044011 is a deficient number, since it is larger than the sum of its proper divisors (2716229).

78044011 is a wasteful number, since it uses less digits than its factorization.

78044011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20525.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 78044011 is about 8834.2521471826. The cubic root of 78044011 is about 427.3462137359.

Adding to 78044011 its reverse (11044087), we get a palindrome (89088098).

The spelling of 78044011 in words is "seventy-eight million, forty-four thousand, eleven".