78063471 has 24 divisors (see below), whose sum is σ = 114616320. Its totient is φ = 51193296.

The previous prime is 78063463. The next prime is 78063481. The reversal of 78063471 is 17436087.

It is not a de Polignac number, because 78063471 - 2³ = 78063463 is a prime.

It is a super-3 number, since 3×78063471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78063421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186100 + ... + 186518.

It is an arithmetic number, because the mean of its divisors is an integer number (4775680).

Almost surely, 2^78063471 is an apocalyptic number.

78063471 is a deficient number, since it is larger than the sum of its proper divisors (36552849).

78063471 is a wasteful number, since it uses less digits than its factorization.

78063471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 78063471 is about 8835.3534734044. The cubic root of 78063471 is about 427.3817298766.

The spelling of 78063471 in words is "seventy-eight million, sixty-three thousand, four hundred seventy-one".