807343664 has 40 divisors (see below), whose sum is σ = 1630467072. Its totient is φ = 386832960.

The previous prime is 807343661. The next prime is 807343679. The reversal of 807343664 is 466343708.

It is not an unprimeable number, because it can be changed into a prime (807343661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43187 + ... + 58989.

Almost surely, 2^807343664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807343664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815233536).

807343664 is an abundant number, since it is smaller than the sum of its proper divisors (823123408).

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

807343664 is a wasteful number, since it uses less digits than its factorization.

807343664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15945 (or 15939 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 807343664 is about 28413.7935517241. The cubic root of 807343664 is about 931.1496415791.

The spelling of 807343664 in words is "eight hundred seven million, three hundred forty-three thousand, six hundred sixty-four".