9008723988 has 48 divisors (see below), whose sum is σ = 25479222720. Its totient is φ = 2729916000.

The previous prime is 9008723981. The next prime is 9008724029. The reversal of 9008723988 is 8893278009.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9008723981) 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, 3790363 + ... + 3792738.

It is an arithmetic number, because the mean of its divisors is an integer number (530817140).

Almost surely, 2^9008723988 is an apocalyptic number.

It is an amenable number.

9008723988 is an abundant number, since it is smaller than the sum of its proper divisors (16470498732).

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

9008723988 is a wasteful number, since it uses less digits than its factorization.

9008723988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583125 (or 7583117 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 9008723988 is about 94914.2981220427. The cubic root of 9008723988 is about 2080.7557032778.

The spelling of 9008723988 in words is "nine billion, eight million, seven hundred twenty-three thousand, nine hundred eighty-eight".