987693056 has 68 divisors (see below), whose sum is σ = 2258615472. Its totient is φ = 423100416.

The previous prime is 987693053. The next prime is 987693103. The reversal of 987693056 is 650396789.

It is a junction number, because it is equal to n+sod(n) for n = 987692989 and 987693007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987693053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457676 + ... + 459828.

Almost surely, 2^987693056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987693056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129307736).

987693056 is an abundant number, since it is smaller than the sum of its proper divisors (1270922416).

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

987693056 is an frugal number, since it uses more digits than its factorization.

987693056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 987693056 is about 31427.5843169659. The cubic root of 987693056 is about 995.8807403321.

The spelling of 987693056 in words is "nine hundred eighty-seven million, six hundred ninety-three thousand, fifty-six".