97899173208000 has 672 divisors, whose sum is σ = 366567001452288. Its totient is φ = 25862405760000.

The previous prime is 97899173207987. The next prime is 97899173208043. The reversal of 97899173208000 is 80237199879.

It is a super-2 number, since 2×97899173208000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 207772675 + ... + 208243325.

It is an arithmetic number, because the mean of its divisors is an integer number (545486609304).

Almost surely, 2^{97899173208000} is an apocalyptic number.

97899173208000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97899173208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183283500726144).

97899173208000 is an abundant number, since it is smaller than the sum of its proper divisors (268667828244288).

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

97899173208000 is a wasteful number, since it uses less digits than its factorization.

97899173208000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470800 (or 470768 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 97899173208000 in words is "ninety-seven trillion, eight hundred ninety-nine billion, one hundred seventy-three million, two hundred eight thousand".