8905225788420 has 96 divisors (see below), whose sum is σ = 26861937645312. Its totient is φ = 2191299921408.

The previous prime is 8905225788401. The next prime is 8905225788439. The reversal of 8905225788420 is 248875225098.

It is an interprime number because it is at equal distance from previous prime (8905225788401) and next prime (8905225788439).

It is a super-2 number, since 2×8905225788420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297934 + ... + 4230746.

It is an arithmetic number, because the mean of its divisors is an integer number (279811850472).

Almost surely, 2^{8905225788420} is an apocalyptic number.

It is an amenable number.

8905225788420 is an abundant number, since it is smaller than the sum of its proper divisors (17956711856892).

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

8905225788420 is a wasteful number, since it uses less digits than its factorization.

8905225788420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935741 (or 3935739 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 8905225788420 in words is "eight trillion, nine hundred five billion, two hundred twenty-five million, seven hundred eighty-eight thousand, four hundred twenty".