788043420 has 36 divisors (see below), whose sum is σ = 2390398920. Its totient is φ = 210144864.

The previous prime is 788043409. The next prime is 788043437. The reversal of 788043420 is 24340887.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2188830 + ... + 2189189.

It is an arithmetic number, because the mean of its divisors is an integer number (66399970).

Almost surely, 2^788043420 is an apocalyptic number.

It is an amenable number.

788043420 is an abundant number, since it is smaller than the sum of its proper divisors (1602355500).

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

788043420 is a wasteful number, since it uses less digits than its factorization.

788043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378034 (or 4378029 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 788043420 is about 28072.1110713106. Note that the first 3 decimals coincide. The cubic root of 788043420 is about 923.6697391696.

The spelling of 788043420 in words is "seven hundred eighty-eight million, forty-three thousand, four hundred twenty".