988765522 has 16 divisors (see below), whose sum is σ = 1531839744. Its totient is φ = 478170000.

The previous prime is 988765381. The next prime is 988765549. The reversal of 988765522 is 225567889.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 988765522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153772 + ... + 160072.

It is an arithmetic number, because the mean of its divisors is an integer number (95739984).

Almost surely, 2^988765522 is an apocalyptic number.

988765522 is a deficient number, since it is larger than the sum of its proper divisors (543074222).

988765522 is a wasteful number, since it uses less digits than its factorization.

988765522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865.

The product of its digits is 2419200, while the sum is 52.

The square root of 988765522 is about 31444.6421827312. The cubic root of 988765522 is about 996.2410620899.

The spelling of 988765522 in words is "nine hundred eighty-eight million, seven hundred sixty-five thousand, five hundred twenty-two".