78260351053 has 2 divisors, whose sum is σ = 78260351054. Its totient is φ = 78260351052.

The previous prime is 78260351021. The next prime is 78260351077. The reversal of 78260351053 is 35015306287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64071253129 + 14189097924 = 253123^2 + 119118^2 .

It is a cyclic number.

It is not a de Polignac number, because 78260351053 - 2⁵ = 78260351021 is a prime.

It is a super-2 number, since 2×78260351053² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78260350997 and 78260351015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78260351753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39130175526 + 39130175527.

It is an arithmetic number, because the mean of its divisors is an integer number (39130175527).

Almost surely, 2^78260351053 is an apocalyptic number.

It is an amenable number.

78260351053 is a deficient number, since it is larger than the sum of its proper divisors (1).

78260351053 is an equidigital number, since it uses as much as digits as its factorization.

78260351053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 78260351053 in words is "seventy-eight billion, two hundred sixty million, three hundred fifty-one thousand, fifty-three".