78071271 has 8 divisors (see below), whose sum is σ = 104154240. Its totient is φ = 52017912.

The previous prime is 78071261. The next prime is 78071303. The reversal of 78071271 is 17217087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78071271 - 2⁵ = 78071239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78071261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 12498.

It is an arithmetic number, because the mean of its divisors is an integer number (13019280).

Almost surely, 2^78071271 is an apocalyptic number.

78071271 is a deficient number, since it is larger than the sum of its proper divisors (26082969).

78071271 is a wasteful number, since it uses less digits than its factorization.

78071271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14805.

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 78071271 is about 8835.7948708648. The cubic root of 78071271 is about 427.3959638771.

The spelling of 78071271 in words is "seventy-eight million, seventy-one thousand, two hundred seventy-one".