78960438049 has 2 divisors, whose sum is σ = 78960438050. Its totient is φ = 78960438048.

The previous prime is 78960438017. The next prime is 78960438061. The reversal of 78960438049 is 94083406987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56036358400 + 22924079649 = 236720^2 + 151407^2 .

It is a cyclic number.

It is not a de Polignac number, because 78960438049 - 2⁵ = 78960438017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78960437984 and 78960438002.

It is not a weakly prime, because it can be changed into another prime (78960433049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39480219024 + 39480219025.

It is an arithmetic number, because the mean of its divisors is an integer number (39480219025).

Almost surely, 2^78960438049 is an apocalyptic number.

It is an amenable number.

78960438049 is a deficient number, since it is larger than the sum of its proper divisors (1).

78960438049 is an equidigital number, since it uses as much as digits as its factorization.

78960438049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 78960438049 in words is "seventy-eight billion, nine hundred sixty million, four hundred thirty-eight thousand, forty-nine".