87834723 has 16 divisors (see below), whose sum is σ = 123586560. Its totient is φ = 55377344.

The previous prime is 87834713. The next prime is 87834731. The reversal of 87834723 is 32743878.

It is a cyclic number.

It is not a de Polignac number, because 87834723 - 2¹⁰ = 87833699 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (87834713) 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 15 ways as a sum of consecutive naturals, for example, 1011 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (7724160).

Almost surely, 2^87834723 is an apocalyptic number.

87834723 is a deficient number, since it is larger than the sum of its proper divisors (35751837).

87834723 is a wasteful number, since it uses less digits than its factorization.

87834723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14418.

The product of its digits is 225792, while the sum is 42.

The square root of 87834723 is about 9372.0180857700. The cubic root of 87834723 is about 444.5173793893.

The spelling of 87834723 in words is "eighty-seven million, eight hundred thirty-four thousand, seven hundred twenty-three".