87736481 has 8 divisors (see below), whose sum is σ = 101970240. Its totient is φ = 73927728.

The previous prime is 87736463. The next prime is 87736487. The reversal of 87736481 is 18463778.

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

It is not a de Polignac number, because 87736481 - 2¹⁰ = 87735457 is a prime.

It is a super-2 number, since 2×87736481² = 15395380196526722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87736487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105806 + ... + 106631.

It is an arithmetic number, because the mean of its divisors is an integer number (12746280).

Almost surely, 2^87736481 is an apocalyptic number.

It is an amenable number.

87736481 is a deficient number, since it is larger than the sum of its proper divisors (14233759).

87736481 is a wasteful number, since it uses less digits than its factorization.

87736481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212503.

The product of its digits is 225792, while the sum is 44.

The square root of 87736481 is about 9366.7753789658. The cubic root of 87736481 is about 444.3515885852.

The spelling of 87736481 in words is "eighty-seven million, seven hundred thirty-six thousand, four hundred eighty-one".