78671484 has 36 divisors (see below), whose sum is σ = 199353336. Its totient is φ = 26159328.

The previous prime is 78671473. The next prime is 78671491. The reversal of 78671484 is 48417687.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13482 + ... + 18414.

Almost surely, 2^78671484 is an apocalyptic number.

It is an amenable number.

78671484 is an abundant number, since it is smaller than the sum of its proper divisors (120681852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78671484 is a wasteful number, since it uses less digits than its factorization.

78671484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386 (or 5381 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 78671484 is about 8869.6946959859. The cubic root of 78671484 is about 428.4884443138.

The spelling of 78671484 in words is "seventy-eight million, six hundred seventy-one thousand, four hundred eighty-four".