998287614457 has 16 divisors (see below), whose sum is σ = 1142200208512. Its totient is φ = 854700336000.

The previous prime is 998287614437. The next prime is 998287614461. The reversal of 998287614457 is 754416782899.

998287614457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 998287614457 - 2³⁹ = 448531800569 is a prime.

It is a super-2 number, since 2×998287614457² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998287614437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75926158 + ... + 75939304.

It is an arithmetic number, because the mean of its divisors is an integer number (71387513032).

Almost surely, 2^998287614457 is an apocalyptic number.

It is an amenable number.

998287614457 is a deficient number, since it is larger than the sum of its proper divisors (143912594055).

998287614457 is a wasteful number, since it uses less digits than its factorization.

998287614457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24688.

The product of its digits is 243855360, while the sum is 70.

The spelling of 998287614457 in words is "nine hundred ninety-eight billion, two hundred eighty-seven million, six hundred fourteen thousand, four hundred fifty-seven".