787346664 has 48 divisors (see below), whose sum is σ = 2131437600. Its totient is φ = 242259264.

The previous prime is 787346647. The next prime is 787346731. The reversal of 787346664 is 466643787.

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 11 ways as a sum of consecutive naturals, for example, 93004 + ... + 101115.

It is an arithmetic number, because the mean of its divisors is an integer number (44404950).

Almost surely, 2^787346664 is an apocalyptic number.

It is an amenable number.

787346664 is an abundant number, since it is smaller than the sum of its proper divisors (1344090936).

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

787346664 is a wasteful number, since it uses less digits than its factorization.

787346664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194154 (or 194137 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The square root of 787346664 is about 28059.6982164812. The cubic root of 787346664 is about 923.3974351386.

The spelling of 787346664 in words is "seven hundred eighty-seven million, three hundred forty-six thousand, six hundred sixty-four".