97421140404 has 72 divisors (see below), whose sum is σ = 283165588160. Its totient is φ = 27663835392.

The previous prime is 97421140363. The next prime is 97421140409. The reversal of 97421140404 is 40404112479.

97421140404 is a `hidden beast` number, since 97 + 4 + 21 + 140 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97421140409) 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 23 ways as a sum of consecutive naturals, for example, 1144789 + ... + 1226940.

Almost surely, 2^97421140404 is an apocalyptic number.

It is an amenable number.

97421140404 is an abundant number, since it is smaller than the sum of its proper divisors (185744447756).

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

97421140404 is a wasteful number, since it uses less digits than its factorization.

97421140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371909 (or 2371904 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 97421140404 in words is "ninety-seven billion, four hundred twenty-one million, one hundred forty thousand, four hundred four".