97990041599 has 4 divisors (see below), whose sum is σ = 98013998280. Its totient is φ = 97966084920.

The previous prime is 97990041557. The next prime is 97990041607. The reversal of 97990041599 is 99514009979.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97990041599 - 2¹² = 97990037503 is a prime.

It is a super-3 number, since 3×97990041599³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97990041509) 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, 11972204 + ... + 11980385.

It is an arithmetic number, because the mean of its divisors is an integer number (24503499570).

Almost surely, 2^97990041599 is an apocalyptic number.

97990041599 is a deficient number, since it is larger than the sum of its proper divisors (23956681).

97990041599 is a wasteful number, since it uses less digits than its factorization.

97990041599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23956680.

The product of its (nonzero) digits is 8266860, while the sum is 62.

The spelling of 97990041599 in words is "ninety-seven billion, nine hundred ninety million, forty-one thousand, five hundred ninety-nine".