78443148 has 24 divisors (see below), whose sum is σ = 209181952. Its totient is φ = 22412304.

The previous prime is 78443107. The next prime is 78443161. The reversal of 78443148 is 84134487.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 466840 + ... + 467007.

Almost surely, 2^78443148 is an apocalyptic number.

It is an amenable number.

78443148 is an abundant number, since it is smaller than the sum of its proper divisors (130738804).

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

78443148 is a wasteful number, since it uses less digits than its factorization.

78443148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933861 (or 933859 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 78443148 is about 8856.8136482597. The cubic root of 78443148 is about 428.0734945267.

The spelling of 78443148 in words is "seventy-eight million, four hundred forty-three thousand, one hundred forty-eight".