1987530654900 has 216 divisors, whose sum is σ = 6980307606720. Its totient is φ = 434540789760.

The previous prime is 1987530654881. The next prime is 1987530654919. The reversal of 1987530654900 is 94560357891.

It is an interprime number because it is at equal distance from previous prime (1987530654881) and next prime (1987530654919).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2601165 + ... + 3277364.

It is an arithmetic number, because the mean of its divisors is an integer number (32316238920).

Almost surely, 2^{1987530654900} is an apocalyptic number.

1987530654900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1987530654900 is an abundant number, since it is smaller than the sum of its proper divisors (4992776951820).

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

1987530654900 is a wasteful number, since it uses less digits than its factorization.

1987530654900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878583 (or 5878569 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 1987530654900 in words is "one trillion, nine hundred eighty-seven billion, five hundred thirty million, six hundred fifty-four thousand, nine hundred".