8821485742 has 16 divisors (see below), whose sum is σ = 14308695360. Its totient is φ = 4062961408.

The previous prime is 8821485641. The next prime is 8821485769. The reversal of 8821485742 is 2475841288.

It is a super-2 number, since 2×8821485742² (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, 2758567 + ... + 2761762.

It is an arithmetic number, because the mean of its divisors is an integer number (894293460).

Almost surely, 2^8821485742 is an apocalyptic number.

8821485742 is a deficient number, since it is larger than the sum of its proper divisors (5487209618).

8821485742 is a wasteful number, since it uses less digits than its factorization.

8821485742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520395.

The product of its digits is 1146880, while the sum is 49.

The square root of 8821485742 is about 93922.7647697830. The cubic root of 8821485742 is about 2066.2391156070.

The spelling of 8821485742 in words is "eight billion, eight hundred twenty-one million, four hundred eighty-five thousand, seven hundred forty-two".