988771582719 has 12 divisors (see below), whose sum is σ = 1428240197592. Its totient is φ = 659174326800.

The previous prime is 988771582697. The next prime is 988771582769. The reversal of 988771582719 is 917285177889.

It is a de Polignac number, because none of the positive numbers 2^k-988771582719 is a prime.

It is a super-2 number, since 2×988771582719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988771582769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469684 + ... + 1482614.

It is an arithmetic number, because the mean of its divisors is an integer number (119020016466).

Almost surely, 2^988771582719 is an apocalyptic number.

988771582719 is a deficient number, since it is larger than the sum of its proper divisors (439468614873).

988771582719 is a wasteful number, since it uses less digits than its factorization.

988771582719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121398 (or 1121395 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 72.

The spelling of 988771582719 in words is "nine hundred eighty-eight billion, seven hundred seventy-one million, five hundred eighty-two thousand, seven hundred nineteen".