787871328 has 48 divisors (see below), whose sum is σ = 2177017920. Its totient is φ = 248800896.

The previous prime is 787871299. The next prime is 787871353. The reversal of 787871328 is 823178787.

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

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214150 + ... + 217797.

It is an arithmetic number, because the mean of its divisors is an integer number (45354540).

Almost surely, 2^787871328 is an apocalyptic number.

It is an amenable number.

787871328 is an abundant number, since it is smaller than the sum of its proper divisors (1389146592).

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

787871328 is a wasteful number, since it uses less digits than its factorization.

787871328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431979 (or 431971 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 51.

The square root of 787871328 is about 28069.0457265651. The cubic root of 787871328 is about 923.6024976357.

The spelling of 787871328 in words is "seven hundred eighty-seven million, eight hundred seventy-one thousand, three hundred twenty-eight".