89650791 has 12 divisors (see below), whose sum is σ = 133673280. Its totient is φ = 57839040.

The previous prime is 89650787. The next prime is 89650801. The reversal of 89650791 is 19705698.

It is not a de Polignac number, because 89650791 - 2² = 89650787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89650751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160386 + ... + 160943.

It is an arithmetic number, because the mean of its divisors is an integer number (11139440).

Almost surely, 2^89650791 is an apocalyptic number.

89650791 is a deficient number, since it is larger than the sum of its proper divisors (44022489).

89650791 is a wasteful number, since it uses less digits than its factorization.

89650791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321366 (or 321363 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 89650791 is about 9468.4101622184. The cubic root of 89650791 is about 447.5601134355.

The spelling of 89650791 in words is "eighty-nine million, six hundred fifty thousand, seven hundred ninety-one".