8427089984 has 14 divisors (see below), whose sum is σ = 16722506814. Its totient is φ = 4213544960.

The previous prime is 8427089977. The next prime is 8427090011. The reversal of 8427089984 is 4899807248.

It can be written as a sum of positive squares in only one way, i.e., 4715843584 + 3711246400 = 68672^2 + 60920^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65836577 + ... + 65836704.

Almost surely, 2^8427089984 is an apocalyptic number.

It is an amenable number.

8427089984 is a deficient number, since it is larger than the sum of its proper divisors (8295416830).

8427089984 is a wasteful number, since it uses less digits than its factorization.

8427089984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131673293 (or 131673283 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The square root of 8427089984 is about 91799.1829157537. The cubic root of 8427089984 is about 2034.9756195627.

The spelling of 8427089984 in words is "eight billion, four hundred twenty-seven million, eighty-nine thousand, nine hundred eighty-four".