87418573 has 8 divisors (see below), whose sum is σ = 100975680. Its totient is φ = 74796480.

The previous prime is 87418547. The next prime is 87418603. The reversal of 87418573 is 37581478.

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

It is not a de Polignac number, because 87418573 - 2⁹ = 87418061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87418523) 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, 233553 + ... + 233926.

It is an arithmetic number, because the mean of its divisors is an integer number (12621960).

Almost surely, 2^87418573 is an apocalyptic number.

It is an amenable number.

87418573 is a deficient number, since it is larger than the sum of its proper divisors (13557107).

87418573 is a wasteful number, since it uses less digits than its factorization.

87418573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467507.

The product of its digits is 188160, while the sum is 43.

The square root of 87418573 is about 9349.7899976417. The cubic root of 87418573 is about 443.8142450658.

The spelling of 87418573 in words is "eighty-seven million, four hundred eighteen thousand, five hundred seventy-three".