87418983 has 8 divisors (see below), whose sum is σ = 116971648. Its totient is φ = 58072824.

The previous prime is 87418967. The next prime is 87418993. The reversal of 87418983 is 38981478.

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

It is not a de Polignac number, because 87418983 - 2⁴ = 87418967 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87418993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50635 + ... + 52332.

It is an arithmetic number, because the mean of its divisors is an integer number (14621456).

Almost surely, 2^87418983 is an apocalyptic number.

87418983 is a deficient number, since it is larger than the sum of its proper divisors (29552665).

87418983 is a wasteful number, since it uses less digits than its factorization.

87418983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103253.

The product of its digits is 387072, while the sum is 48.

The square root of 87418983 is about 9349.8119232421. The cubic root of 87418983 is about 443.8149389060.

It can be divided in two parts, 87 and 418983, that added together give a triangular number (419070 = T₉₁₅).

The spelling of 87418983 in words is "eighty-seven million, four hundred eighteen thousand, nine hundred eighty-three".