87143363 has 4 divisors (see below), whose sum is σ = 87406968. Its totient is φ = 86879760.

The previous prime is 87143351. The next prime is 87143401. The reversal of 87143363 is 36334178.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36334178 = 2 ⋅18167089.

It is a cyclic number.

It is not a de Polignac number, because 87143363 - 2⁶ = 87143299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87143323) 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, 131306 + ... + 131967.

It is an arithmetic number, because the mean of its divisors is an integer number (21851742).

Almost surely, 2^87143363 is an apocalyptic number.

87143363 is a deficient number, since it is larger than the sum of its proper divisors (263605).

87143363 is a wasteful number, since it uses less digits than its factorization.

87143363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263604.

The product of its digits is 36288, while the sum is 35.

The square root of 87143363 is about 9335.0609532022. The cubic root of 87143363 is about 443.3480187471.

The spelling of 87143363 in words is "eighty-seven million, one hundred forty-three thousand, three hundred sixty-three".