89699967 has 20 divisors (see below), whose sum is σ = 153139536. Its totient is φ = 51256800.

The previous prime is 89699927. The next prime is 89699983. The reversal of 89699967 is 76999698.

It is not a de Polignac number, because 89699967 - 2⁸ = 89699711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89699927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78534 + ... + 79667.

Almost surely, 2^89699967 is an apocalyptic number.

89699967 is a deficient number, since it is larger than the sum of its proper divisors (63439569).

89699967 is a wasteful number, since it uses less digits than its factorization.

89699967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158220 (or 158211 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 89699967 is about 9471.0066518824. The cubic root of 89699967 is about 447.6419316135.

The spelling of 89699967 in words is "eighty-nine million, six hundred ninety-nine thousand, nine hundred sixty-seven".