97898105436 has 24 divisors (see below), whose sum is σ = 228474047760. Its totient is φ = 32626253952.

The previous prime is 97898105423. The next prime is 97898105453. The reversal of 97898105436 is 63450189879.

It is a self number, because there is not a number n which added to its sum of digits gives 97898105436.

It is a congruent number.

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, 742521 + ... + 864368.

It is an arithmetic number, because the mean of its divisors is an integer number (9519751990).

Almost surely, 2^97898105436 is an apocalyptic number.

It is an amenable number.

97898105436 is an abundant number, since it is smaller than the sum of its proper divisors (130575942324).

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

97898105436 is a wasteful number, since it uses less digits than its factorization.

97898105436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611973 (or 1611971 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 97898105436 in words is "ninety-seven billion, eight hundred ninety-eight million, one hundred five thousand, four hundred thirty-six".