78480053 has 2 divisors, whose sum is σ = 78480054. Its totient is φ = 78480052.

The previous prime is 78480049. The next prime is 78480067. The reversal of 78480053 is 35008487.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 8305924 = 8377^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 78480053 - 2² = 78480049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78479995 and 78480022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78480043) 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 as a sum of consecutive naturals, namely, 39240026 + 39240027.

It is an arithmetic number, because the mean of its divisors is an integer number (39240027).

Almost surely, 2^78480053 is an apocalyptic number.

It is an amenable number.

78480053 is a deficient number, since it is larger than the sum of its proper divisors (1).

78480053 is an equidigital number, since it uses as much as digits as its factorization.

78480053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 78480053 is about 8858.8968274837. The cubic root of 78480053 is about 428.1406156451.

The spelling of 78480053 in words is "seventy-eight million, four hundred eighty thousand, fifty-three".