308397864008 has 128 divisors (see below), whose sum is σ = 668406816000. Its totient is φ = 132925178880.

The previous prime is 308397864001. The next prime is 308397864023. The reversal of 308397864008 is 800468793803.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (308397864001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39137813 + ... + 39145691.

It is an arithmetic number, because the mean of its divisors is an integer number (5221928250).

Almost surely, 2^308397864008 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 308397864008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334203408000).

308397864008 is an abundant number, since it is smaller than the sum of its proper divisors (360008951992).

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

308397864008 is a wasteful number, since it uses less digits than its factorization.

308397864008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072 (or 8042 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 308397864008 in words is "three hundred eight billion, three hundred ninety-seven million, eight hundred sixty-four thousand, eight".