3873857371890 has 64 divisors (see below), whose sum is σ = 10163637596160. Its totient is φ = 937156322240.

The previous prime is 3873857371877. The next prime is 3873857371897. The reversal of 3873857371890 is 981737583783.

It is not an unprimeable number, because it can be changed into a prime (3873857371897) 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, 12095544 + ... + 12411683.

It is an arithmetic number, because the mean of its divisors is an integer number (158806837440).

Almost surely, 2^{3873857371890} is an apocalyptic number.

3873857371890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3873857371890 is an abundant number, since it is smaller than the sum of its proper divisors (6289780224270).

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

3873857371890 is a wasteful number, since it uses less digits than its factorization.

3873857371890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24507727.

The product of its (nonzero) digits is 213373440, while the sum is 69.

The spelling of 3873857371890 in words is "three trillion, eight hundred seventy-three billion, eight hundred fifty-seven million, three hundred seventy-one thousand, eight hundred ninety".