89948289492 has 72 divisors (see below), whose sum is σ = 230006241920. Its totient is φ = 29636124480.

The previous prime is 89948289463. The next prime is 89948289493. The reversal of 89948289492 is 29498284998.

It is a happy number.

89948289492 is a `hidden beast` number, since 8 + 99 + 48 + 2 + 8 + 9 + 492 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 89948289492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89948289493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1983609 + ... + 2028447.

Almost surely, 2^89948289492 is an apocalyptic number.

It is an amenable number.

89948289492 is an abundant number, since it is smaller than the sum of its proper divisors (140057952428).

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

89948289492 is a wasteful number, since it uses less digits than its factorization.

89948289492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45493 (or 45488 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 72.

The spelling of 89948289492 in words is "eighty-nine billion, nine hundred forty-eight million, two hundred eighty-nine thousand, four hundred ninety-two".