97578698442 has 16 divisors (see below), whose sum is σ = 197627744640. Its totient is φ = 32114508192.

The previous prime is 97578698431. The next prime is 97578698467. The reversal of 97578698442 is 24489687579.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102930643 + ... + 102931590.

It is an arithmetic number, because the mean of its divisors is an integer number (12351734040).

Almost surely, 2^97578698442 is an apocalyptic number.

97578698442 is an abundant number, since it is smaller than the sum of its proper divisors (100049046198).

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

97578698442 is a wasteful number, since it uses less digits than its factorization.

97578698442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205862317.

The product of its digits is 243855360, while the sum is 69.

The spelling of 97578698442 in words is "ninety-seven billion, five hundred seventy-eight million, six hundred ninety-eight thousand, four hundred forty-two".