89708290506 has 64 divisors (see below), whose sum is σ = 210262348800. Its totient is φ = 28272451248.

The previous prime is 89708290439. The next prime is 89708290517. The reversal of 89708290506 is 60509280798.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429165 + ... + 602991.

It is an arithmetic number, because the mean of its divisors is an integer number (3285349200).

Almost surely, 2^89708290506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89708290506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105131174400).

89708290506 is an abundant number, since it is smaller than the sum of its proper divisors (120554058294).

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

89708290506 is a wasteful number, since it uses less digits than its factorization.

89708290506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174360 (or 174354 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 89708290506 in words is "eighty-nine billion, seven hundred eight million, two hundred ninety thousand, five hundred six".