787983660 has 96 divisors (see below), whose sum is σ = 2595741120. Its totient is φ = 197766144.

The previous prime is 787983659. The next prime is 787983673. The reversal of 787983660 is 66389787.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 787983597 and 787983606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33739 + ... + 52098.

It is an arithmetic number, because the mean of its divisors is an integer number (27038970).

Almost surely, 2^787983660 is an apocalyptic number.

It is an amenable number.

787983660 is an abundant number, since it is smaller than the sum of its proper divisors (1807757460).

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

787983660 is a wasteful number, since it uses less digits than its factorization.

787983660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85872 (or 85864 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 787983660 is about 28071.0466495284. The cubic root of 787983660 is about 923.6463902451.

The spelling of 787983660 in words is "seven hundred eighty-seven million, nine hundred eighty-three thousand, six hundred sixty".