89899692408 has 48 divisors (see below), whose sum is σ = 243730309680. Its totient is φ = 29935551744.

The previous prime is 89899692401. The next prime is 89899692409. The reversal of 89899692408 is 80429699898.

89899692408 is a `hidden beast` number, since 89 + 89 + 9 + 69 + 2 + 408 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89899692401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575985 + ... + 715232.

It is an arithmetic number, because the mean of its divisors is an integer number (5077714785).

Almost surely, 2^89899692408 is an apocalyptic number.

It is an amenable number.

89899692408 is an abundant number, since it is smaller than the sum of its proper divisors (153830617272).

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

89899692408 is a wasteful number, since it uses less digits than its factorization.

89899692408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292196 (or 1292189 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 72.

The spelling of 89899692408 in words is "eighty-nine billion, eight hundred ninety-nine million, six hundred ninety-two thousand, four hundred eight".