89669797 has 16 divisors (see below), whose sum is σ = 109186560. Its totient is φ = 71928432.

The previous prime is 89669791. The next prime is 89669809. The reversal of 89669797 is 79796698.

It is a cyclic number.

It is not a de Polignac number, because 89669797 - 2⁷ = 89669669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89669791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6978 + ... + 15100.

It is an arithmetic number, because the mean of its divisors is an integer number (6824160).

Almost surely, 2^89669797 is an apocalyptic number.

It is an amenable number.

89669797 is a deficient number, since it is larger than the sum of its proper divisors (19516763).

89669797 is a wasteful number, since it uses less digits than its factorization.

89669797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232.

The product of its digits is 10287648, while the sum is 61.

The square root of 89669797 is about 9469.4137622136. The cubic root of 89669797 is about 447.5917388358.

The spelling of 89669797 in words is "eighty-nine million, six hundred sixty-nine thousand, seven hundred ninety-seven".