8966021375 has 32 divisors (see below), whose sum is σ = 11526687744. Its totient is φ = 6958980000.

The previous prime is 8966021371. The next prime is 8966021381. The reversal of 8966021375 is 5731206698.

It is not a de Polignac number, because 8966021375 - 2² = 8966021371 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 (8966021371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806102 + ... + 817148.

It is an arithmetic number, because the mean of its divisors is an integer number (360208992).

Almost surely, 2^8966021375 is an apocalyptic number.

8966021375 is a deficient number, since it is larger than the sum of its proper divisors (2560666369).

8966021375 is a wasteful number, since it uses less digits than its factorization.

8966021375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256 (or 11246 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 8966021375 is about 94689.0773796007. The cubic root of 8966021375 is about 2077.4628037303.

The spelling of 8966021375 in words is "eight billion, nine hundred sixty-six million, twenty-one thousand, three hundred seventy-five".