3988768890 has 32 divisors (see below), whose sum is σ = 9660879360. Its totient is φ = 1053912384.

The previous prime is 3988768877. The next prime is 3988768897. The reversal of 3988768890 is 988678893.

It is not an unprimeable number, because it can be changed into a prime (3988768897) 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, 606634 + ... + 613173.

It is an arithmetic number, because the mean of its divisors is an integer number (301902480).

Almost surely, 2^3988768890 is an apocalyptic number.

3988768890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3988768890 is an abundant number, since it is smaller than the sum of its proper divisors (5672110470).

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

3988768890 is a wasteful number, since it uses less digits than its factorization.

3988768890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219926.

The product of its (nonzero) digits is 41803776, while the sum is 66.

The square root of 3988768890 is about 63156.7010696411. The cubic root of 3988768890 is about 1585.9139696474.

The spelling of 3988768890 in words is "three billion, nine hundred eighty-eight million, seven hundred sixty-eight thousand, eight hundred ninety".