988553845 has 16 divisors (see below), whose sum is σ = 1206080640. Its totient is φ = 777674304.

The previous prime is 988553843. The next prime is 988553849. The reversal of 988553845 is 548355889.

It is a cyclic number.

It is not a de Polignac number, because 988553845 - 2¹ = 988553843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988553843) 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, 216496 + ... + 221014.

It is an arithmetic number, because the mean of its divisors is an integer number (75380040).

Almost surely, 2^988553845 is an apocalyptic number.

It is an amenable number.

988553845 is a deficient number, since it is larger than the sum of its proper divisors (217526795).

988553845 is a wasteful number, since it uses less digits than its factorization.

988553845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244.

The product of its digits is 6912000, while the sum is 55.

The square root of 988553845 is about 31441.2761350426. The cubic root of 988553845 is about 996.1699645563.

The spelling of 988553845 in words is "nine hundred eighty-eight million, five hundred fifty-three thousand, eight hundred forty-five".