3889271267890 has 16 divisors (see below), whose sum is σ = 7002008515008. Its totient is φ = 1555415122096.

The previous prime is 3889271267887. The next prime is 3889271267891. The reversal of 3889271267890 is 987621729883.

It is not an unprimeable number, because it can be changed into a prime (3889271267891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36617452 + ... + 36723511.

It is an arithmetic number, because the mean of its divisors is an integer number (437625532188).

Almost surely, 2^{3889271267890} is an apocalyptic number.

3889271267890 is a deficient number, since it is larger than the sum of its proper divisors (3112737247118).

3889271267890 is a wasteful number, since it uses less digits than its factorization.

3889271267890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73346273.

The product of its (nonzero) digits is 146313216, while the sum is 70.

The spelling of 3889271267890 in words is "three trillion, eight hundred eighty-nine billion, two hundred seventy-one million, two hundred sixty-seven thousand, eight hundred ninety".