87888723 has 8 divisors (see below), whose sum is σ = 126199248. Its totient is φ = 54085344.

The previous prime is 87888721. The next prime is 87888733. The reversal of 87888723 is 32788878.

It is a happy number.

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

It is not a de Polignac number, because 87888723 - 2¹ = 87888721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87888721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126740 + ... + 1126817.

It is an arithmetic number, because the mean of its divisors is an integer number (15774906).

Almost surely, 2^87888723 is an apocalyptic number.

87888723 is a deficient number, since it is larger than the sum of its proper divisors (38310525).

87888723 is a wasteful number, since it uses less digits than its factorization.

87888723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253573.

The product of its digits is 1204224, while the sum is 51.

The square root of 87888723 is about 9374.8985594512. The cubic root of 87888723 is about 444.6084558270.

The spelling of 87888723 in words is "eighty-seven million, eight hundred eighty-eight thousand, seven hundred twenty-three".