87298566 has 16 divisors (see below), whose sum is σ = 174699504. Its totient is φ = 29082464.

The previous prime is 87298543. The next prime is 87298571. The reversal of 87298566 is 66589278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11056 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (10918719).

Almost surely, 2^87298566 is an apocalyptic number.

87298566 is an abundant number, since it is smaller than the sum of its proper divisors (87400938).

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

87298566 is a wasteful number, since it uses less digits than its factorization.

87298566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535.

The product of its digits is 1451520, while the sum is 51.

The square root of 87298566 is about 9343.3701628481. The cubic root of 87298566 is about 443.6110647241.

The spelling of 87298566 in words is "eighty-seven million, two hundred ninety-eight thousand, five hundred sixty-six".