87298081 has 16 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 78931008.

The previous prime is 87298069. The next prime is 87298093. The reversal of 87298081 is 18089278.

It is an interprime number because it is at equal distance from previous prime (87298069) and next prime (87298093).

It is not a de Polignac number, because 87298081 - 2²³ = 78909473 is a prime.

It is a super-2 number, since 2×87298081² = 15241909892565122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87298021) 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, 171255 + ... + 171763.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 2^87298081 is an apocalyptic number.

It is an amenable number.

87298081 is a deficient number, since it is larger than the sum of its proper divisors (8663519).

87298081 is a wasteful number, since it uses less digits than its factorization.

87298081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 87298081 is about 9343.3442085797. The cubic root of 87298081 is about 443.6102432071.

The spelling of 87298081 in words is "eighty-seven million, two hundred ninety-eight thousand, eighty-one".