78948371 has 2 divisors, whose sum is σ = 78948372. Its totient is φ = 78948370.

The previous prime is 78948361. The next prime is 78948403. The reversal of 78948371 is 17384987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78948371 - 2⁶ = 78948307 is a prime.

It is not a weakly prime, because it can be changed into another prime (78948361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39474185 + 39474186.

It is an arithmetic number, because the mean of its divisors is an integer number (39474186).

Almost surely, 2^78948371 is an apocalyptic number.

78948371 is a deficient number, since it is larger than the sum of its proper divisors (1).

78948371 is an equidigital number, since it uses as much as digits as its factorization.

78948371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 78948371 is about 8885.2895844761. The cubic root of 78948371 is about 428.9905489991.

The spelling of 78948371 in words is "seventy-eight million, nine hundred forty-eight thousand, three hundred seventy-one".