87298511 has 8 divisors (see below), whose sum is σ = 90384000. Its totient is φ = 84229920.

The previous prime is 87298499. The next prime is 87298513. The reversal of 87298511 is 11589278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87298511 - 2⁶ = 87298447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87298513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (11298000).

Almost surely, 2^87298511 is an apocalyptic number.

87298511 is a deficient number, since it is larger than the sum of its proper divisors (3085489).

87298511 is a wasteful number, since it uses less digits than its factorization.

87298511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its digits is 40320, while the sum is 41.

The square root of 87298511 is about 9343.3672195842. The cubic root of 87298511 is about 443.6109715625.

The spelling of 87298511 in words is "eighty-seven million, two hundred ninety-eight thousand, five hundred eleven".