97990041559 has 4 divisors (see below), whose sum is σ = 97990882704. Its totient is φ = 97989200416.

The previous prime is 97990041557. The next prime is 97990041607. The reversal of 97990041559 is 95514009979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 97990041559 - 2¹ = 97990041557 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97990041551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211027 + ... + 490420.

It is an arithmetic number, because the mean of its divisors is an integer number (24497720676).

Almost surely, 2^97990041559 is an apocalyptic number.

97990041559 is a deficient number, since it is larger than the sum of its proper divisors (841145).

97990041559 is a wasteful number, since it uses less digits than its factorization.

97990041559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841144.

The product of its (nonzero) digits is 4592700, while the sum is 58.

The spelling of 97990041559 in words is "ninety-seven billion, nine hundred ninety million, forty-one thousand, five hundred fifty-nine".