8199670477900 has 144 divisors (see below), whose sum is σ = 20485848821760. Its totient is φ = 2817388742400.

The previous prime is 8199670477871. The next prime is 8199670477937. The reversal of 8199670477900 is 97740769918.

It is a super-2 number, since 2×8199670477900² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7492522 + ... + 8516878.

It is an arithmetic number, because the mean of its divisors is an integer number (142262839040).

Almost surely, 2^{8199670477900} 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 8199670477900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10242924410880).

8199670477900 is an abundant number, since it is smaller than the sum of its proper divisors (12286178343860).

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

8199670477900 is a wasteful number, since it uses less digits than its factorization.

8199670477900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024784 (or 1024777 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 67.

The spelling of 8199670477900 in words is "eight trillion, one hundred ninety-nine billion, six hundred seventy million, four hundred seventy-seven thousand, nine hundred".