87270543 has 12 divisors (see below), whose sum is σ = 126161568. Its totient is φ = 58132320.

The previous prime is 87270529. The next prime is 87270559. The reversal of 87270543 is 34507278.

It is not a de Polignac number, because 87270543 - 2⁶ = 87270479 is a prime.

It is a super-2 number, since 2×87270543² = 15232295351029698, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 87270498 and 87270507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87270593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10123 + ... + 16643.

It is an arithmetic number, because the mean of its divisors is an integer number (10513464).

Almost surely, 2^87270543 is an apocalyptic number.

87270543 is a deficient number, since it is larger than the sum of its proper divisors (38891025).

87270543 is a wasteful number, since it uses less digits than its factorization.

87270543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014 (or 8011 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 87270543 is about 9341.8704229935. The cubic root of 87270543 is about 443.5635929887.

The spelling of 87270543 in words is "eighty-seven million, two hundred seventy thousand, five hundred forty-three".