308764679020 has 216 divisors, whose sum is σ = 797807873520. Its totient is φ = 100069966080.

The previous prime is 308764679017. The next prime is 308764679051. The reversal of 308764679020 is 20976467803.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 261442830 + ... + 261444010.

It is an arithmetic number, because the mean of its divisors is an integer number (3693554970).

Almost surely, 2^308764679020 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 308764679020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398903936760).

308764679020 is an abundant number, since it is smaller than the sum of its proper divisors (489043194500).

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

308764679020 is a wasteful number, since it uses less digits than its factorization.

308764679020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 308764679020 in words is "three hundred eight billion, seven hundred sixty-four million, six hundred seventy-nine thousand, twenty".