8465871642 has 16 divisors (see below), whose sum is σ = 16952226912. Its totient is φ = 2818543280.

The previous prime is 8465871637. The next prime is 8465871647. The reversal of 8465871642 is 2461785648.

It is an interprime number because it is at equal distance from previous prime (8465871637) and next prime (8465871647).

It is not an unprimeable number, because it can be changed into a prime (8465871647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848109 + ... + 858032.

It is an arithmetic number, because the mean of its divisors is an integer number (1059514182).

Almost surely, 2^8465871642 is an apocalyptic number.

8465871642 is an abundant number, since it is smaller than the sum of its proper divisors (8486355270).

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

8465871642 is a wasteful number, since it uses less digits than its factorization.

8465871642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706973.

The product of its digits is 2580480, while the sum is 51.

The square root of 8465871642 is about 92010.1714051224. The cubic root of 8465871642 is about 2038.0925109920.

The spelling of 8465871642 in words is "eight billion, four hundred sixty-five million, eight hundred seventy-one thousand, six hundred forty-two".