97699855200 has 72 divisors (see below), whose sum is σ = 318013036488. Its totient is φ = 26053294080.

The previous prime is 97699855189. The next prime is 97699855243. The reversal of 97699855200 is 255899679.

It is a happy number.

It is a super-2 number, since 2×97699855200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20351737 + ... + 20356536.

It is an arithmetic number, because the mean of its divisors is an integer number (4416847729).

Almost surely, 2^97699855200 is an apocalyptic number.

It is an amenable number.

97699855200 is an abundant number, since it is smaller than the sum of its proper divisors (220313181288).

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

97699855200 is a wasteful number, since it uses less digits than its factorization.

97699855200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40708296 (or 40708283 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 97699855200 in words is "ninety-seven billion, six hundred ninety-nine million, eight hundred fifty-five thousand, two hundred".