788670816 has 48 divisors (see below), whose sum is σ = 2072070000. Its totient is φ = 262660608.

The previous prime is 788670811. The next prime is 788670823. The reversal of 788670816 is 618076887.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788670811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134310 + ... + 140058.

It is an arithmetic number, because the mean of its divisors is an integer number (43168125).

Almost surely, 2^788670816 is an apocalyptic number.

It is an amenable number.

788670816 is an abundant number, since it is smaller than the sum of its proper divisors (1283399184).

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

788670816 is a wasteful number, since it uses less digits than its factorization.

788670816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191 (or 7183 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 788670816 is about 28083.2835686997. The cubic root of 788670816 is about 923.9147988380.

The spelling of 788670816 in words is "seven hundred eighty-eight million, six hundred seventy thousand, eight hundred sixteen".