8587420122 has 32 divisors (see below), whose sum is σ = 17222284800. Its totient is φ = 2854579968.

The previous prime is 8587420091. The next prime is 8587420129. The reversal of 8587420122 is 2210247858.

It is not an unprimeable number, because it can be changed into a prime (8587420129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5479383 + ... + 5480949.

It is an arithmetic number, because the mean of its divisors is an integer number (538196400).

Almost surely, 2^8587420122 is an apocalyptic number.

8587420122 is an abundant number, since it is smaller than the sum of its proper divisors (8634864678).

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

8587420122 is a wasteful number, since it uses less digits than its factorization.

8587420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 8587420122 is about 92668.3339766071. Note that the first 3 decimals coincide. The cubic root of 8587420122 is about 2047.8001483768.

The spelling of 8587420122 in words is "eight billion, five hundred eighty-seven million, four hundred twenty thousand, one hundred twenty-two".