78050808 has 216 divisors, whose sum is σ = 254785440. Its totient is φ = 21542400.

The previous prime is 78050807. The next prime is 78050827. The reversal of 78050808 is 80805087.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78050807) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2517753 + ... + 2517783.

Almost surely, 2^78050808 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 78050808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127392720).

78050808 is an abundant number, since it is smaller than the sum of its proper divisors (176734632).

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

78050808 is a wasteful number, since it uses less digits than its factorization.

78050808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 78050808 is about 8834.6368346413. The cubic root of 78050808 is about 427.3586195048.

The spelling of 78050808 in words is "seventy-eight million, fifty thousand, eight hundred eight".