87556423 has 16 divisors (see below), whose sum is σ = 95256000. Its totient is φ = 80227840.

The previous prime is 87556421. The next prime is 87556457. The reversal of 87556423 is 32465578.

It is a cyclic number.

It is not a de Polignac number, because 87556423 - 2¹ = 87556421 is a prime.

It is a super-2 number, since 2×87556423² = 15332254417109858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87556421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98943 + ... + 99823.

It is an arithmetic number, because the mean of its divisors is an integer number (5953500).

Almost surely, 2^87556423 is an apocalyptic number.

87556423 is a deficient number, since it is larger than the sum of its proper divisors (7699577).

87556423 is a wasteful number, since it uses less digits than its factorization.

87556423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its digits is 201600, while the sum is 40.

The square root of 87556423 is about 9357.1589171073. The cubic root of 87556423 is about 444.0474055246.

The spelling of 87556423 in words is "eighty-seven million, five hundred fifty-six thousand, four hundred twenty-three".