89788629 has 24 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 50723904.

The previous prime is 89788627. The next prime is 89788637. The reversal of 89788629 is 92688798.

It is not a de Polignac number, because 89788629 - 2¹ = 89788627 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89788627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9652 + ... + 16514.

It is an arithmetic number, because the mean of its divisors is an integer number (5868720).

Almost surely, 2^89788629 is an apocalyptic number.

89788629 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

89788629 is a deficient number, since it is larger than the sum of its proper divisors (51060651).

89788629 is a wasteful number, since it uses less digits than its factorization.

89788629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969 (or 6962 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 89788629 is about 9475.6862020647. The cubic root of 89788629 is about 447.7893703879.

The spelling of 89788629 in words is "eighty-nine million, seven hundred eighty-eight thousand, six hundred twenty-nine".