78960653 has 2 divisors, whose sum is σ = 78960654. Its totient is φ = 78960652.

The previous prime is 78960647. The next prime is 78960677. The reversal of 78960653 is 35606987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78180964 + 779689 = 8842^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 78960653 - 2⁶ = 78960589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78960253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39480326 + 39480327.

It is an arithmetic number, because the mean of its divisors is an integer number (39480327).

Almost surely, 2^78960653 is an apocalyptic number.

It is an amenable number.

78960653 is a deficient number, since it is larger than the sum of its proper divisors (1).

78960653 is an equidigital number, since it uses as much as digits as its factorization.

78960653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 78960653 is about 8885.9806999565. The cubic root of 78960653 is about 429.0127938690.

The spelling of 78960653 in words is "seventy-eight million, nine hundred sixty thousand, six hundred fifty-three".