1987342110 has 192 divisors, whose sum is σ = 5797209600. Its totient is φ = 469048320.

The previous prime is 1987342081. The next prime is 1987342157. The reversal of 1987342110 is 112437891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5694216 + ... + 5694564.

It is an arithmetic number, because the mean of its divisors is an integer number (30193800).

Almost surely, 2^1987342110 is an apocalyptic number.

1987342110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1987342110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898604800).

1987342110 is an abundant number, since it is smaller than the sum of its proper divisors (3809867490).

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

1987342110 is a wasteful number, since it uses less digits than its factorization.

1987342110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1987342110 is about 44579.6154088390. The cubic root of 1987342110 is about 1257.2574323272.

The spelling of 1987342110 in words is "one billion, nine hundred eighty-seven million, three hundred forty-two thousand, one hundred ten".