38320320858 has 16 divisors (see below), whose sum is σ = 76923451776. Its totient is φ = 12726305280.

The previous prime is 38320320803. The next prime is 38320320869. The reversal of 38320320858 is 85802302383.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11781991 + ... + 11785242.

It is an arithmetic number, because the mean of its divisors is an integer number (4807715736).

Almost surely, 2^38320320858 is an apocalyptic number.

38320320858 is an abundant number, since it is smaller than the sum of its proper divisors (38603130918).

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

38320320858 is a wasteful number, since it uses less digits than its factorization.

38320320858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23567509.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 38320320858 in words is "thirty-eight billion, three hundred twenty million, three hundred twenty thousand, eight hundred fifty-eight".