89434632372 has 12 divisors (see below), whose sum is σ = 208680808896. Its totient is φ = 29811544120.

The previous prime is 89434632361. The next prime is 89434632379. The reversal of 89434632372 is 27323643498.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89434632379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3726443004 + ... + 3726443027.

It is an arithmetic number, because the mean of its divisors is an integer number (17390067408).

Almost surely, 2^89434632372 is an apocalyptic number.

It is an amenable number.

89434632372 is an abundant number, since it is smaller than the sum of its proper divisors (119246176524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89434632372 is a wasteful number, since it uses less digits than its factorization.

89434632372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452886038 (or 7452886036 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 51.

The spelling of 89434632372 in words is "eighty-nine billion, four hundred thirty-four million, six hundred thirty-two thousand, three hundred seventy-two".