87036943 has 4 divisors (see below), whose sum is σ = 99470800. Its totient is φ = 74603088.

The previous prime is 87036941. The next prime is 87036949. The reversal of 87036943 is 34963078.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87036943 - 2¹ = 87036941 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87036896 and 87036905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87036941) 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, 6216918 + ... + 6216931.

It is an arithmetic number, because the mean of its divisors is an integer number (24867700).

Almost surely, 2^87036943 is an apocalyptic number.

87036943 is a deficient number, since it is larger than the sum of its proper divisors (12433857).

87036943 is a wasteful number, since it uses less digits than its factorization.

87036943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433856.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 87036943 is about 9329.3591955718. The cubic root of 87036943 is about 443.1674721416.

The spelling of 87036943 in words is "eighty-seven million, thirty-six thousand, nine hundred forty-three".