8772274021 has 32 divisors (see below), whose sum is σ = 10300313600. Its totient is φ = 7316407296.

The previous prime is 8772273977. The next prime is 8772274051. The reversal of 8772274021 is 1204722778.

8772274021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8772274021 - 2¹⁷ = 8772142949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772274051) by changing a digit.

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, 18012640 + ... + 18013126.

It is an arithmetic number, because the mean of its divisors is an integer number (321884800).

Almost surely, 2^8772274021 is an apocalyptic number.

It is an amenable number.

8772274021 is a deficient number, since it is larger than the sum of its proper divisors (1528039579).

8772274021 is a wasteful number, since it uses less digits than its factorization.

8772274021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 8772274021 is about 93660.4186462990. The cubic root of 8772274021 is about 2062.3896939404.

Adding to 8772274021 its reverse (1204722778), we get a palindrome (9976996799).

The spelling of 8772274021 in words is "eight billion, seven hundred seventy-two million, two hundred seventy-four thousand, twenty-one".