308871658864 has 40 divisors (see below), whose sum is σ = 617830956288. Its totient is φ = 149475121920.

The previous prime is 308871658847. The next prime is 308871658867. The reversal of 308871658864 is 468856178803.

It is a junction number, because it is equal to n+sod(n) for n = 308871658796 and 308871658805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308871658867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252747 + ... + 1478890.

Almost surely, 2^308871658864 is an apocalyptic number.

It is an amenable number.

308871658864 is an abundant number, since it is smaller than the sum of its proper divisors (308959297424).

308871658864 is a wasteful number, since it uses less digits than its factorization.

308871658864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731873 (or 2731867 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 308871658864 in words is "three hundred eight billion, eight hundred seventy-one million, six hundred fifty-eight thousand, eight hundred sixty-four".