87675481 has 4 divisors (see below), whose sum is σ = 92290000. Its totient is φ = 83060964.

The previous prime is 87675451. The next prime is 87675493. The reversal of 87675481 is 18457678.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87675481 - 2²⁵ = 54121049 is a prime.

It is a super-2 number, since 2×87675481² = 15373979937162722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87675421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307231 + ... + 2307268.

It is an arithmetic number, because the mean of its divisors is an integer number (23072500).

Almost surely, 2^87675481 is an apocalyptic number.

It is an amenable number.

87675481 is a deficient number, since it is larger than the sum of its proper divisors (4614519).

87675481 is a wasteful number, since it uses less digits than its factorization.

87675481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614518.

The product of its digits is 376320, while the sum is 46.

The square root of 87675481 is about 9363.5186228255. The cubic root of 87675481 is about 444.2485841837.

The spelling of 87675481 in words is "eighty-seven million, six hundred seventy-five thousand, four hundred eighty-one".