78952843 has 2 divisors, whose sum is σ = 78952844. Its totient is φ = 78952842.

The previous prime is 78952823. The next prime is 78952871. The reversal of 78952843 is 34825987.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78952843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78952793 and 78952802.

It is not a weakly prime, because it can be changed into another prime (78952823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39476421 + 39476422.

It is an arithmetic number, because the mean of its divisors is an integer number (39476422).

Almost surely, 2^78952843 is an apocalyptic number.

78952843 is a deficient number, since it is larger than the sum of its proper divisors (1).

78952843 is an equidigital number, since it uses as much as digits as its factorization.

78952843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 78952843 is about 8885.5412328119. The cubic root of 78952843 is about 428.9986488475.

The spelling of 78952843 in words is "seventy-eight million, nine hundred fifty-two thousand, eight hundred forty-three".