78053065 has 8 divisors (see below), whose sum is σ = 96893640. Its totient is φ = 60289152.

The previous prime is 78053051. The next prime is 78053093. The reversal of 78053065 is 56035087.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48841 + 78004224 = 221^2 + 8832^2 .

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 78053065 - 2⁵ = 78053033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78053065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269004 + ... + 269293.

It is an arithmetic number, because the mean of its divisors is an integer number (12111705).

Almost surely, 2^78053065 is an apocalyptic number.

It is an amenable number.

78053065 is a deficient number, since it is larger than the sum of its proper divisors (18840575).

78053065 is a wasteful number, since it uses less digits than its factorization.

78053065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538331.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 78053065 is about 8834.7645695853. The cubic root of 78053065 is about 427.3627387836.

The spelling of 78053065 in words is "seventy-eight million, fifty-three thousand, sixty-five".