87885433 has 4 divisors (see below), whose sum is σ = 89123328. Its totient is φ = 86647540.

The previous prime is 87885409. The next prime is 87885437. The reversal of 87885433 is 33458878.

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 87885433 - 2⁵ = 87885401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87885437) 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, 618841 + ... + 618982.

It is an arithmetic number, because the mean of its divisors is an integer number (22280832).

Almost surely, 2^87885433 is an apocalyptic number.

It is an amenable number.

87885433 is a deficient number, since it is larger than the sum of its proper divisors (1237895).

87885433 is a wasteful number, since it uses less digits than its factorization.

87885433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237894.

The product of its digits is 645120, while the sum is 46.

The square root of 87885433 is about 9374.7230892438. The cubic root of 87885433 is about 444.6029079780.

The spelling of 87885433 in words is "eighty-seven million, eight hundred eighty-five thousand, four hundred thirty-three".