8687420122 has 16 divisors (see below), whose sum is σ = 14008832640. Its totient is φ = 4027537728.

The previous prime is 8687420099. The next prime is 8687420123. The reversal of 8687420122 is 2210247868.

It is a super-2 number, since 2×8687420122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8687420123) 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, 2430303 + ... + 2433874.

It is an arithmetic number, because the mean of its divisors is an integer number (875552040).

Almost surely, 2^8687420122 is an apocalyptic number.

8687420122 is a deficient number, since it is larger than the sum of its proper divisors (5321412518).

8687420122 is a wasteful number, since it uses less digits than its factorization.

8687420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864245.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 8687420122 is about 93206.3309115856. The cubic root of 8687420122 is about 2055.7183291211.

The spelling of 8687420122 in words is "eight billion, six hundred eighty-seven million, four hundred twenty thousand, one hundred twenty-two".