988947343487 has 2 divisors, whose sum is σ = 988947343488. Its totient is φ = 988947343486.

The previous prime is 988947343441. The next prime is 988947343493. The reversal of 988947343487 is 784343749889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988947343487 - 2²⁰ = 988946294911 is a prime.

It is a super-2 number, since 2×988947343487² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988947343387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494473671743 + 494473671744.

It is an arithmetic number, because the mean of its divisors is an integer number (494473671744).

Almost surely, 2^988947343487 is an apocalyptic number.

988947343487 is a deficient number, since it is larger than the sum of its proper divisors (1).

988947343487 is an equidigital number, since it uses as much as digits as its factorization.

988947343487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1170505728, while the sum is 74.

The spelling of 988947343487 in words is "nine hundred eighty-eight billion, nine hundred forty-seven million, three hundred forty-three thousand, four hundred eighty-seven".