598478343874895 has 12 divisors (see below), whose sum is σ = 789397881673800. Its totient is φ = 435256977363120.

The previous prime is 598478343874891. The next prime is 598478343874919.

It is a happy number.

598478343874895 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 598478343874895 - 2² = 598478343874891 is a prime.

It is a super-2 number, since 2×598478343874895² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598478343874891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494610200945 + ... + 494610202154.

It is an arithmetic number, because the mean of its divisors is an integer number (65783156806150).

Almost surely, 2^{598478343874895} is an apocalyptic number.

598478343874895 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

598478343874895 is a deficient number, since it is larger than the sum of its proper divisors (190919537798905).

598478343874895 is a wasteful number, since it uses less digits than its factorization.

598478343874895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989220403126 (or 989220403115 counting only the distinct ones).

The product of its digits is 234101145600, while the sum is 92.

The spelling of 598478343874895 in words is "five hundred ninety-eight trillion, four hundred seventy-eight billion, three hundred forty-three million, eight hundred seventy-four thousand, eight hundred ninety-five".