998238776162 has 8 divisors (see below), whose sum is σ = 1498240525356. Its totient is φ = 498825267712.

The previous prime is 998238776149. The next prime is 998238776189. The reversal of 998238776162 is 261677832899.

It is a happy number.

It is a Cunningham number, because it is equal to 999119²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 998238776161 + 1 = 999119^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 998238776092 and 998238776101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147055943 + ... + 147062730.

Almost surely, 2^998238776162 is an apocalyptic number.

998238776162 is a deficient number, since it is larger than the sum of its proper divisors (500001749194).

998238776162 is a wasteful number, since it uses less digits than its factorization.

998238776162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294120372.

The product of its digits is 109734912, while the sum is 68.

The spelling of 998238776162 in words is "nine hundred ninety-eight billion, two hundred thirty-eight million, seven hundred seventy-six thousand, one hundred sixty-two".