78748271 has 8 divisors (see below), whose sum is σ = 90055680. Its totient is φ = 67455288.

The previous prime is 78748261. The next prime is 78748279. The reversal of 78748271 is 17284787.

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

It is a cyclic number.

It is not a de Polignac number, because 78748271 - 2⁶ = 78748207 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78748279) 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, 13550 + ... + 18468.

It is an arithmetic number, because the mean of its divisors is an integer number (11256960).

Almost surely, 2^78748271 is an apocalyptic number.

78748271 is a deficient number, since it is larger than the sum of its proper divisors (11307409).

78748271 is a wasteful number, since it uses less digits than its factorization.

78748271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213.

The product of its digits is 175616, while the sum is 44.

The square root of 78748271 is about 8874.0222560009. The cubic root of 78748271 is about 428.6278071492.

The spelling of 78748271 in words is "seventy-eight million, seven hundred forty-eight thousand, two hundred seventy-one".