78760471 has 2 divisors, whose sum is σ = 78760472. Its totient is φ = 78760470.

The previous prime is 78760421. The next prime is 78760483. The reversal of 78760471 is 17406787.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78760471 is a prime.

It is a super-3 number, since 3×78760471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78760421) 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, 39380235 + 39380236.

It is an arithmetic number, because the mean of its divisors is an integer number (39380236).

Almost surely, 2^78760471 is an apocalyptic number.

78760471 is a deficient number, since it is larger than the sum of its proper divisors (1).

78760471 is an equidigital number, since it uses as much as digits as its factorization.

78760471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 78760471 is about 8874.7096290527. The cubic root of 78760471 is about 428.6499409229.

The spelling of 78760471 in words is "seventy-eight million, seven hundred sixty thousand, four hundred seventy-one".