1988859411 has 48 divisors (see below), whose sum is σ = 3705212160. Its totient is φ = 997536960.

The previous prime is 1988859407. The next prime is 1988859479. The reversal of 1988859411 is 1149588891.

It is not a de Polignac number, because 1988859411 - 2² = 1988859407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1988859011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29385 + ... + 69578.

It is an arithmetic number, because the mean of its divisors is an integer number (77191920).

Almost surely, 2^1988859411 is an apocalyptic number.

1988859411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1988859411 is a deficient number, since it is larger than the sum of its proper divisors (1716352749).

1988859411 is a wasteful number, since it uses less digits than its factorization.

1988859411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99016 (or 99013 counting only the distinct ones).

The product of its digits is 829440, while the sum is 54.

The square root of 1988859411 is about 44596.6300408450. The cubic root of 1988859411 is about 1257.5773156314.

The spelling of 1988859411 in words is "one billion, nine hundred eighty-eight million, eight hundred fifty-nine thousand, four hundred eleven".