980018788 has 48 divisors (see below), whose sum is σ = 2084189184. Its totient is φ = 393615360.

The previous prime is 980018773. The next prime is 980018789. The reversal of 980018788 is 887810089.

It is not an unprimeable number, because it can be changed into a prime (980018789) 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, 110445 + ... + 118987.

It is an arithmetic number, because the mean of its divisors is an integer number (43420608).

Almost surely, 2^980018788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980018788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042094592).

980018788 is an abundant number, since it is smaller than the sum of its proper divisors (1104170396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

980018788 is a wasteful number, since it uses less digits than its factorization.

980018788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812 (or 8810 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 49.

The square root of 980018788 is about 31305.2517638814. The cubic root of 980018788 is about 993.2947359245.

The spelling of 980018788 in words is "nine hundred eighty million, eighteen thousand, seven hundred eighty-eight".