87042633 has 4 divisors (see below), whose sum is σ = 116056848. Its totient is φ = 58028420.

The previous prime is 87042617. The next prime is 87042643. The reversal of 87042633 is 33624078.

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 87042633 - 2⁴ = 87042617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87042594 and 87042603.

It is not an unprimeable number, because it can be changed into a prime (87042643) 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, 14507103 + ... + 14507108.

It is an arithmetic number, because the mean of its divisors is an integer number (29014212).

Almost surely, 2^87042633 is an apocalyptic number.

It is an amenable number.

87042633 is a deficient number, since it is larger than the sum of its proper divisors (29014215).

87042633 is a wasteful number, since it uses less digits than its factorization.

87042633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29014214.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 87042633 is about 9329.6641418649. The cubic root of 87042633 is about 443.1771292208.

The spelling of 87042633 in words is "eighty-seven million, forty-two thousand, six hundred thirty-three".