8619607220 has 24 divisors (see below), whose sum is σ = 20687057664. Its totient is φ = 2955293856.

The previous prime is 8619607219. The next prime is 8619607261. The reversal of 8619607220 is 227069168.

It is a super-2 number, since 2×8619607220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30784172 + ... + 30784451.

It is an arithmetic number, because the mean of its divisors is an integer number (861960736).

Almost surely, 2^8619607220 is an apocalyptic number.

It is an amenable number.

8619607220 is an abundant number, since it is smaller than the sum of its proper divisors (12067450444).

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

8619607220 is a wasteful number, since it uses less digits than its factorization.

8619607220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61568639 (or 61568637 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8619607220 is about 92841.8398137392. The cubic root of 8619607220 is about 2050.3554584888.

The spelling of 8619607220 in words is "eight billion, six hundred nineteen million, six hundred seven thousand, two hundred twenty".