89454440361 has 32 divisors (see below), whose sum is σ = 140198228352. Its totient is φ = 50018088960.

The previous prime is 89454440359. The next prime is 89454440371. The reversal of 89454440361 is 16304445498.

It is a happy number.

It is not a de Polignac number, because 89454440361 - 2¹ = 89454440359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89454440361.

It is not an unprimeable number, because it can be changed into a prime (89454440311) 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, 775321 + ... + 883193.

It is an arithmetic number, because the mean of its divisors is an integer number (4381194636).

Almost surely, 2^89454440361 is an apocalyptic number.

It is an amenable number.

89454440361 is a deficient number, since it is larger than the sum of its proper divisors (50743787991).

89454440361 is a wasteful number, since it uses less digits than its factorization.

89454440361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109833.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 89454440361 in words is "eighty-nine billion, four hundred fifty-four million, four hundred forty thousand, three hundred sixty-one".