78952871 has 2 divisors, whose sum is σ = 78952872. Its totient is φ = 78952870.

The previous prime is 78952843. The next prime is 78952873. The reversal of 78952871 is 17825987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78952871 - 2⁶ = 78952807 is a prime.

It is a Sophie Germain prime.

Together with 78952873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78952873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39476435 + 39476436.

It is an arithmetic number, because the mean of its divisors is an integer number (39476436).

Almost surely, 2^78952871 is an apocalyptic number.

78952871 is a deficient number, since it is larger than the sum of its proper divisors (1).

78952871 is an equidigital number, since it uses as much as digits as its factorization.

78952871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 47.

The square root of 78952871 is about 8885.5428084051. The cubic root of 78952871 is about 428.9986995612.

The spelling of 78952871 in words is "seventy-eight million, nine hundred fifty-two thousand, eight hundred seventy-one".