89491776 has 56 divisors (see below), whose sum is σ = 258311904. Its totient is φ = 27118080.

The previous prime is 89491741. The next prime is 89491777. The reversal of 89491776 is 67719498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89491777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19075 + ... + 23298.

Almost surely, 2^89491776 is an apocalyptic number.

It is an amenable number.

89491776 is an abundant number, since it is smaller than the sum of its proper divisors (168820128).

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

89491776 is a wasteful number, since it uses less digits than its factorization.

89491776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42399 (or 42389 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 89491776 is about 9460.0093023210. The cubic root of 89491776 is about 447.2953420565.

The spelling of 89491776 in words is "eighty-nine million, four hundred ninety-one thousand, seven hundred seventy-six".