87898697250 has 512 divisors, whose sum is σ = 281405988864. Its totient is φ = 17781120000.

The previous prime is 87898697219. The next prime is 87898697261. The reversal of 87898697250 is 5279689878.

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 255 ways as a sum of consecutive naturals, for example, 179019505 + ... + 179019995.

It is an arithmetic number, because the mean of its divisors is an integer number (549621072).

Almost surely, 2^87898697250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87898697250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140702994432).

87898697250 is an abundant number, since it is smaller than the sum of its proper divisors (193507291614).

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

87898697250 is a wasteful number, since it uses less digits than its factorization.

87898697250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 87898697250 in words is "eighty-seven billion, eight hundred ninety-eight million, six hundred ninety-seven thousand, two hundred fifty".