78488480 has 48 divisors (see below), whose sum is σ = 211921920. Its totient is φ = 26909952.

The previous prime is 78488479. The next prime is 78488513. The reversal of 78488480 is 8488487.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33920 + ... + 36159.

It is an arithmetic number, because the mean of its divisors is an integer number (4415040).

Almost surely, 2^78488480 is an apocalyptic number.

78488480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78488480 is an abundant number, since it is smaller than the sum of its proper divisors (133433440).

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

78488480 is a wasteful number, since it uses less digits than its factorization.

78488480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70101 (or 70093 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 47.

The square root of 78488480 is about 8859.3724382712. The cubic root of 78488480 is about 428.1559393344.

The spelling of 78488480 in words is "seventy-eight million, four hundred eighty-eight thousand, four hundred eighty".