78033259441 has 2 divisors, whose sum is σ = 78033259442. Its totient is φ = 78033259440.

The previous prime is 78033259411. The next prime is 78033259487. The reversal of 78033259441 is 14495233087.

It is an a-pointer prime, because the next prime (78033259487) can be obtained adding 78033259441 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77175062416 + 858197025 = 277804^2 + 29295^2 .

It is a cyclic number.

It is not a de Polignac number, because 78033259441 - 2⁷ = 78033259313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78033259391 and 78033259400.

It is not a weakly prime, because it can be changed into another prime (78033259411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39016629720 + 39016629721.

It is an arithmetic number, because the mean of its divisors is an integer number (39016629721).

Almost surely, 2^78033259441 is an apocalyptic number.

It is an amenable number.

78033259441 is a deficient number, since it is larger than the sum of its proper divisors (1).

78033259441 is an equidigital number, since it uses as much as digits as its factorization.

78033259441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 78033259441 in words is "seventy-eight billion, thirty-three million, two hundred fifty-nine thousand, four hundred forty-one".