2988117720 has 192 divisors, whose sum is σ = 11369816640. Its totient is φ = 666316800.

The previous prime is 2988117701. The next prime is 2988117739. The reversal of 2988117720 is 277118892.

It is an interprime number because it is at equal distance from previous prime (2988117701) and next prime (2988117739).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88860 + ... + 117780.

It is an arithmetic number, because the mean of its divisors is an integer number (59217795).

Almost surely, 2^2988117720 is an apocalyptic number.

2988117720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2988117720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5684908320).

2988117720 is an abundant number, since it is smaller than the sum of its proper divisors (8381698920).

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

2988117720 is a wasteful number, since it uses less digits than its factorization.

2988117720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28986 (or 28979 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 2988117720 is about 54663.6782516508. The cubic root of 2988117720 is about 1440.3429160180.

The spelling of 2988117720 in words is "two billion, nine hundred eighty-eight million, one hundred seventeen thousand, seven hundred twenty".