97727638204 has 48 divisors (see below), whose sum is σ = 208115712000. Its totient is φ = 40062248688.

The previous prime is 97727638199. The next prime is 97727638207. The reversal of 97727638204 is 40283672779.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97727638207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516924 + ... + 1580035.

It is an arithmetic number, because the mean of its divisors is an integer number (4335744000).

Almost surely, 2^97727638204 is an apocalyptic number.

It is an amenable number.

97727638204 is an abundant number, since it is smaller than the sum of its proper divisors (110388073796).

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

97727638204 is a wasteful number, since it uses less digits than its factorization.

97727638204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097007 (or 3096991 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 97727638204 in words is "ninety-seven billion, seven hundred twenty-seven million, six hundred thirty-eight thousand, two hundred four".