988534083577 has 2 divisors, whose sum is σ = 988534083578. Its totient is φ = 988534083576.

The previous prime is 988534083569. The next prime is 988534083679. The reversal of 988534083577 is 775380435889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518117798416 + 470416285161 = 719804^2 + 685869^2 .

It is a cyclic number.

It is not a de Polignac number, because 988534083577 - 2³ = 988534083569 is a prime.

It is a super-2 number, since 2×988534083577² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (988534086577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494267041788 + 494267041789.

It is an arithmetic number, because the mean of its divisors is an integer number (494267041789).

Almost surely, 2^988534083577 is an apocalyptic number.

It is an amenable number.

988534083577 is a deficient number, since it is larger than the sum of its proper divisors (1).

988534083577 is an equidigital number, since it uses as much as digits as its factorization.

988534083577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 203212800, while the sum is 67.

The spelling of 988534083577 in words is "nine hundred eighty-eight billion, five hundred thirty-four million, eighty-three thousand, five hundred seventy-seven".