8792112021 has 16 divisors (see below), whose sum is σ = 14615459328. Its totient is φ = 4567330800.

The previous prime is 8792112019. The next prime is 8792112023. The reversal of 8792112021 is 1202112978.

It is an interprime number because it is at equal distance from previous prime (8792112019) and next prime (8792112023).

It is not a de Polignac number, because 8792112021 - 2¹ = 8792112019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8792112023) 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, 19030315 + ... + 19030776.

It is an arithmetic number, because the mean of its divisors is an integer number (913466208).

Almost surely, 2^8792112021 is an apocalyptic number.

It is an amenable number.

8792112021 is a deficient number, since it is larger than the sum of its proper divisors (5823347307).

8792112021 is a wasteful number, since it uses less digits than its factorization.

8792112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38061112.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 8792112021 is about 93766.2627014642. The cubic root of 8792112021 is about 2063.9431825802.

Adding to 8792112021 its reverse (1202112978), we get a palindrome (9994224999).

The spelling of 8792112021 in words is "eight billion, seven hundred ninety-two million, one hundred twelve thousand, twenty-one".