87143486 has 8 divisors (see below), whose sum is σ = 130837680. Its totient is φ = 43530928.

The previous prime is 87143477. The next prime is 87143533. The reversal of 87143486 is 68434178.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17666 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (16354710).

Almost surely, 2^87143486 is an apocalyptic number.

87143486 is a deficient number, since it is larger than the sum of its proper divisors (43694194).

87143486 is a wasteful number, since it uses less digits than its factorization.

87143486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40818.

The product of its digits is 129024, while the sum is 41.

The square root of 87143486 is about 9335.0675412661. The cubic root of 87143486 is about 443.3482273374.

The spelling of 87143486 in words is "eighty-seven million, one hundred forty-three thousand, four hundred eighty-six".