988553255931 has 16 divisors (see below), whose sum is σ = 1471464219520. Its totient is φ = 655912109160.

The previous prime is 988553255897. The next prime is 988553255933. The reversal of 988553255931 is 139552355889.

988553255931 is a `hidden beast` number, since 9 + 8 + 8 + 5 + 5 + 32 + 5 + 593 + 1 = 666.

It is not a de Polignac number, because 988553255931 - 2¹³ = 988553247739 is a prime.

It is a super-2 number, since 2×988553255931² (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 (988553255933) 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, 86755165 + ... + 86766558.

It is an arithmetic number, because the mean of its divisors is an integer number (91966513720).

Almost surely, 2^988553255931 is an apocalyptic number.

988553255931 is a deficient number, since it is larger than the sum of its proper divisors (482910963589).

988553255931 is a wasteful number, since it uses less digits than its factorization.

988553255931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173521943 (or 173521937 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 63.

The spelling of 988553255931 in words is "nine hundred eighty-eight billion, five hundred fifty-three million, two hundred fifty-five thousand, nine hundred thirty-one".