987697900 has 162 divisors, whose sum is σ = 2650181940. Its totient is φ = 317701440.

The previous prime is 987697897. The next prime is 987697961. The reversal of 987697900 is 9796789.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 9589249 + ... + 9589351.

Almost surely, 2^987697900 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 987697900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325090970).

987697900 is an abundant number, since it is smaller than the sum of its proper divisors (1662484040).

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

987697900 is a wasteful number, since it uses less digits than its factorization.

987697900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 987697900 is about 31427.6613829283. The cubic root of 987697900 is about 995.8823683812.

The spelling of 987697900 in words is "nine hundred eighty-seven million, six hundred ninety-seven thousand, nine hundred".