8497421100 has 576 divisors, whose sum is σ = 33747840000. Its totient is φ = 1789931520.

The previous prime is 8497421099. The next prime is 8497421111. The reversal of 8497421100 is 11247948.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17028651 + ... + 17029149.

It is an arithmetic number, because the mean of its divisors is an integer number (58590000).

Almost surely, 2^8497421100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8497421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16873920000).

8497421100 is an abundant number, since it is smaller than the sum of its proper divisors (25250418900).

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

8497421100 is a wasteful number, since it uses less digits than its factorization.

8497421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8497421100 is about 92181.4574629844. The cubic root of 8497421100 is about 2040.6211343887.

The spelling of 8497421100 in words is "eight billion, four hundred ninety-seven million, four hundred twenty-one thousand, one hundred".