78882038025797 has 2 divisors, whose sum is σ = 78882038025798. Its totient is φ = 78882038025796.

The previous prime is 78882038025737. The next prime is 78882038025821. The reversal of 78882038025797 is 79752083028887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50306662812961 + 28575375212836 = 7092719^2 + 5345594^2 .

It is an emirp because it is prime and its reverse (79752083028887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78882038025797 - 2¹⁶ = 78882037960261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78882038025737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39441019012898 + 39441019012899.

It is an arithmetic number, because the mean of its divisors is an integer number (39441019012899).

Almost surely, 2^{78882038025797} is an apocalyptic number.

It is an amenable number.

78882038025797 is a deficient number, since it is larger than the sum of its proper divisors (1).

78882038025797 is an equidigital number, since it uses as much as digits as its factorization.

78882038025797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 758661120, while the sum is 74.

The spelling of 78882038025797 in words is "seventy-eight trillion, eight hundred eighty-two billion, thirty-eight million, twenty-five thousand, seven hundred ninety-seven".