97909519904 has 48 divisors (see below), whose sum is σ = 229874537088. Its totient is φ = 40136819712.

The previous prime is 97909519871. The next prime is 97909519921. The reversal of 97909519904 is 40991590979.

It is a happy number.

97909519904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9496937 + ... + 9507240.

It is an arithmetic number, because the mean of its divisors is an integer number (4789052856).

Almost surely, 2^97909519904 is an apocalyptic number.

It is an amenable number.

97909519904 is an abundant number, since it is smaller than the sum of its proper divisors (131965017184).

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

97909519904 is a wasteful number, since it uses less digits than its factorization.

97909519904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004217 (or 19004209 counting only the distinct ones).

The product of its (nonzero) digits is 8266860, while the sum is 62.

The spelling of 97909519904 in words is "ninety-seven billion, nine hundred nine million, five hundred nineteen thousand, nine hundred four".