87178350 has 144 divisors (see below), whose sum is σ = 260809200. Its totient is φ = 19192320.

The previous prime is 87178339. The next prime is 87178367. The reversal of 87178350 is 5387178.

It is a junction number, because it is equal to n+sod(n) for n = 87178299 and 87178308.

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, 212946 + ... + 213354.

It is an arithmetic number, because the mean of its divisors is an integer number (1811175).

Almost surely, 2^87178350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87178350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130404600).

87178350 is an abundant number, since it is smaller than the sum of its proper divisors (173630850).

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

87178350 is a wasteful number, since it uses less digits than its factorization.

87178350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 87178350 is about 9336.9347218453. The cubic root of 87178350 is about 443.4073437535.

The spelling of 87178350 in words is "eighty-seven million, one hundred seventy-eight thousand, three hundred fifty".