78883141 has 2 divisors, whose sum is σ = 78883142. Its totient is φ = 78883140.

The previous prime is 78883109. The next prime is 78883151. The reversal of 78883141 is 14138887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48246916 + 30636225 = 6946^2 + 5535^2 .

It is a cyclic number.

It is not a de Polignac number, because 78883141 - 2⁵ = 78883109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78883094 and 78883103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78883151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39441570 + 39441571.

It is an arithmetic number, because the mean of its divisors is an integer number (39441571).

Almost surely, 2^78883141 is an apocalyptic number.

It is an amenable number.

78883141 is a deficient number, since it is larger than the sum of its proper divisors (1).

78883141 is an equidigital number, since it uses as much as digits as its factorization.

78883141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 40.

The square root of 78883141 is about 8881.6181521162. The cubic root of 78883141 is about 428.8723672745.

The spelling of 78883141 in words is "seventy-eight million, eight hundred eighty-three thousand, one hundred forty-one".