78485808 has 80 divisors (see below), whose sum is σ = 218736000. Its totient is φ = 24168960.

The previous prime is 78485801. The next prime is 78485839. The reversal of 78485808 is 80858487.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a cake number, because a cake can be divided into 78485808 parts by 778 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (78485801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36343 + ... + 38441.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^78485808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78485808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109368000).

78485808 is an abundant number, since it is smaller than the sum of its proper divisors (140250192).

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

78485808 is a wasteful number, since it uses less digits than its factorization.

78485808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 78485808 is about 8859.2216362387. The cubic root of 78485808 is about 428.1510806780.

The spelling of 78485808 in words is "seventy-eight million, four hundred eighty-five thousand, eight hundred eight".