78803141 has 2 divisors, whose sum is σ = 78803142. Its totient is φ = 78803140.

The previous prime is 78803117. The next prime is 78803171. The reversal of 78803141 is 14130887.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41654116 + 37149025 = 6454^2 + 6095^2 .

It is an emirp because it is prime and its reverse (14130887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78803141 - 2⁶ = 78803077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78803098 and 78803107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78803111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39401570 + 39401571.

It is an arithmetic number, because the mean of its divisors is an integer number (39401571).

Almost surely, 2^78803141 is an apocalyptic number.

It is an amenable number.

78803141 is a deficient number, since it is larger than the sum of its proper divisors (1).

78803141 is an equidigital number, since it uses as much as digits as its factorization.

78803141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 78803141 is about 8877.1133258509. The cubic root of 78803141 is about 428.7273367310.

The spelling of 78803141 in words is "seventy-eight million, eight hundred three thousand, one hundred forty-one".