848931889 has 4 divisors (see below), whose sum is σ = 914234356. Its totient is φ = 783629424.

The previous prime is 848931887. The next prime is 848931893. The reversal of 848931889 is 988139848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 265950864 + 582981025 = 16308^2 + 24145^2 .

It is a cyclic number.

It is not a de Polignac number, because 848931889 - 2¹ = 848931887 is a prime.

It is a super-2 number, since 2×848931889² = 1441370704322216642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (848931887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32651214 + ... + 32651239.

It is an arithmetic number, because the mean of its divisors is an integer number (228558589).

Almost surely, 2^848931889 is an apocalyptic number.

It is an amenable number.

848931889 is a deficient number, since it is larger than the sum of its proper divisors (65302467).

848931889 is a wasteful number, since it uses less digits than its factorization.

848931889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65302466.

The product of its digits is 3981312, while the sum is 58.

The square root of 848931889 is about 29136.4357634904. The cubic root of 848931889 is about 946.8712914115.

The spelling of 848931889 in words is "eight hundred forty-eight million, nine hundred thirty-one thousand, eight hundred eighty-nine".