87926881 has 16 divisors (see below), whose sum is σ = 104055808. Its totient is φ = 72705600.

The previous prime is 87926879. The next prime is 87926887. The reversal of 87926881 is 18862978.

It is a cyclic number.

It is not a de Polignac number, because 87926881 - 2¹ = 87926879 is a prime.

It is a super-2 number, since 2×87926881² = 15462272804776322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87926887) 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 15 ways as a sum of consecutive naturals, for example, 132691 + ... + 133351.

It is an arithmetic number, because the mean of its divisors is an integer number (6503488).

Almost surely, 2^87926881 is an apocalyptic number.

It is an amenable number.

87926881 is a deficient number, since it is larger than the sum of its proper divisors (16128927).

87926881 is a wasteful number, since it uses less digits than its factorization.

87926881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its digits is 387072, while the sum is 49.

The square root of 87926881 is about 9376.9334539603. The cubic root of 87926881 is about 444.6727906442.

The spelling of 87926881 in words is "eighty-seven million, nine hundred twenty-six thousand, eight hundred eighty-one".