6407788968 has 48 divisors (see below), whose sum is σ = 19833634080. Its totient is φ = 1830796704.

The previous prime is 6407788943. The next prime is 6407788999. The reversal of 6407788968 is 8698877046.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6356430 + ... + 6357437.

It is an arithmetic number, because the mean of its divisors is an integer number (413200710).

Almost surely, 2^6407788968 is an apocalyptic number.

It is an amenable number.

6407788968 is an abundant number, since it is smaller than the sum of its proper divisors (13425845112).

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

6407788968 is a wasteful number, since it uses less digits than its factorization.

6407788968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713886 (or 12713879 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The square root of 6407788968 is about 80048.6662474772. Note that the first 3 decimals coincide. The cubic root of 6407788968 is about 1857.3884194939.

The spelling of 6407788968 in words is "six billion, four hundred seven million, seven hundred eighty-eight thousand, nine hundred sixty-eight".