899098362479 has 4 divisors (see below), whose sum is σ = 899179235040. Its totient is φ = 899017489920.

The previous prime is 899098362457. The next prime is 899098362499. The reversal of 899098362479 is 974263890998.

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 899098362479 - 2¹² = 899098358383 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 (899098362499) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40419602 + ... + 40441839.

It is an arithmetic number, because the mean of its divisors is an integer number (224794808760).

Almost surely, 2^899098362479 is an apocalyptic number.

899098362479 is a deficient number, since it is larger than the sum of its proper divisors (80872561).

899098362479 is a wasteful number, since it uses less digits than its factorization.

899098362479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80872560.

The product of its (nonzero) digits is 423263232, while the sum is 74.

The spelling of 899098362479 in words is "eight hundred ninety-nine billion, ninety-eight million, three hundred sixty-two thousand, four hundred seventy-nine".