788888005 has 8 divisors (see below), whose sum is σ = 959634072. Its totient is φ = 622464768.

The previous prime is 788888003. The next prime is 788888071. The reversal of 788888005 is 500888887.

It can be written as a sum of positive squares in 4 ways, for example, as 136749636 + 652138369 = 11694^2 + 25537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 788888005 - 2¹ = 788888003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788888003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080304 + ... + 1081033.

It is an arithmetic number, because the mean of its divisors is an integer number (119954259).

Almost surely, 2^788888005 is an apocalyptic number.

It is an amenable number.

788888005 is a deficient number, since it is larger than the sum of its proper divisors (170746067).

788888005 is a wasteful number, since it uses less digits than its factorization.

788888005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161415.

The product of its (nonzero) digits is 1146880, while the sum is 52.

The square root of 788888005 is about 28087.1501758366. The cubic root of 788888005 is about 923.9996021593. Note that the first 3 decimals are identical.

The spelling of 788888005 in words is "seven hundred eighty-eight million, eight hundred eighty-eight thousand, five".