788861280 has 48 divisors (see below), whose sum is σ = 2484914544. Its totient is φ = 210362880.

The previous prime is 788861263. The next prime is 788861303. The reversal of 788861280 is 82168887.

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

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

It is a congruent number.

It is an unprimeable number.

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, 821251 + ... + 822210.

It is an arithmetic number, because the mean of its divisors is an integer number (51769053).

Almost surely, 2^788861280 is an apocalyptic number.

It is an amenable number.

788861280 is an abundant number, since it is smaller than the sum of its proper divisors (1696053264).

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

788861280 is a wasteful number, since it uses less digits than its factorization.

788861280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643479 (or 1643471 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The square root of 788861280 is about 28086.6744204436. The cubic root of 788861280 is about 923.9891679921.

The spelling of 788861280 in words is "seven hundred eighty-eight million, eight hundred sixty-one thousand, two hundred eighty".