97135399424 has 80 divisors (see below), whose sum is σ = 222609972288. Its totient is φ = 41478746112.

The previous prime is 97135399423. The next prime is 97135399429. The reversal of 97135399424 is 42499353179.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 97135399424.

It is not an unprimeable number, because it can be changed into a prime (97135399421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943847 + ... + 1041689.

Almost surely, 2^97135399424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97135399424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111304986144).

97135399424 is an abundant number, since it is smaller than the sum of its proper divisors (125474572864).

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

97135399424 is an equidigital number, since it uses as much as digits as its factorization.

97135399424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98145 (or 98129 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 56.

The spelling of 97135399424 in words is "ninety-seven billion, one hundred thirty-five million, three hundred ninety-nine thousand, four hundred twenty-four".