381307607583858 has 48 divisors (see below), whose sum is σ = 877627360209600. Its totient is φ = 119308222931040.

The previous prime is 381307607583857. The next prime is 381307607583901. The reversal of 381307607583858 is 858385706703183.

381307607583858 is a `hidden beast` number, since 3 + 8 + 1 + 3 + 0 + 7 + 607 + 5 + 8 + 3 + 8 + 5 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (381307607583857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5114341278 + ... + 5114415833.

It is an arithmetic number, because the mean of its divisors is an integer number (18283903337700).

Almost surely, 2^{381307607583858} is an apocalyptic number.

381307607583858 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

381307607583858 is an abundant number, since it is smaller than the sum of its proper divisors (496319752625742).

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

381307607583858 is a wasteful number, since it uses less digits than its factorization.

381307607583858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10228757247 (or 10228757244 counting only the distinct ones).

The product of its (nonzero) digits is 812851200, while the sum is 72.

The spelling of 381307607583858 in words is "three hundred eighty-one trillion, three hundred seven billion, six hundred seven million, five hundred eighty-three thousand, eight hundred fifty-eight".