97898105437 has 8 divisors (see below), whose sum is σ = 106961490720. Its totient is φ = 88861979760.

The previous prime is 97898105423. The next prime is 97898105453. The reversal of 97898105437 is 73450189879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97898105437 - 2¹¹ = 97898103389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97898105467) 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, 6807387 + ... + 6821752.

It is an arithmetic number, because the mean of its divisors is an integer number (13370186340).

Almost surely, 2^97898105437 is an apocalyptic number.

It is an amenable number.

97898105437 is a deficient number, since it is larger than the sum of its proper divisors (9063385283).

97898105437 is a wasteful number, since it uses less digits than its factorization.

97898105437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629803.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 97898105437 in words is "ninety-seven billion, eight hundred ninety-eight million, one hundred five thousand, four hundred thirty-seven".