97987708 has 48 divisors (see below), whose sum is σ = 212115904. Its totient is φ = 38568960.

The previous prime is 97987699. The next prime is 97987709. The reversal of 97987708 is 80778979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97987709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87166 + ... + 88282.

Almost surely, 2^97987708 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 97987708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106057952).

97987708 is an abundant number, since it is smaller than the sum of its proper divisors (114128196).

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

97987708 is a wasteful number, since it uses less digits than its factorization.

97987708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 55.

The square root of 97987708 is about 9898.8740773888. The cubic root of 97987708 is about 461.0243523853.

The spelling of 97987708 in words is "ninety-seven million, nine hundred eighty-seven thousand, seven hundred eight".