787713668 has 12 divisors (see below), whose sum is σ = 1575427392. Its totient is φ = 337591560.

The previous prime is 787713643. The next prime is 787713671. The reversal of 787713668 is 866317787.

787713668 is an admirable number.

It is a super-3 number, since 3×787713668³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14066288 + ... + 14066343.

It is an arithmetic number, because the mean of its divisors is an integer number (131285616).

Almost surely, 2^787713668 is an apocalyptic number.

It is an amenable number.

787713668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

787713668 is a wasteful number, since it uses less digits than its factorization.

787713668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132642 (or 28132640 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 53.

The square root of 787713668 is about 28066.2371542749. The cubic root of 787713668 is about 923.5408865246.

The spelling of 787713668 in words is "seven hundred eighty-seven million, seven hundred thirteen thousand, six hundred sixty-eight".