87388771 has 8 divisors (see below), whose sum is σ = 94128320. Its totient is φ = 80863272.

The previous prime is 87388759. The next prime is 87388781. The reversal of 87388771 is 17788378.

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

It is a cyclic number.

It is not a de Polignac number, because 87388771 - 2⁵ = 87388739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87388711) 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, 52665 + ... + 54298.

It is an arithmetic number, because the mean of its divisors is an integer number (11766040).

Almost surely, 2^87388771 is an apocalyptic number.

87388771 is a deficient number, since it is larger than the sum of its proper divisors (6739549).

87388771 is a wasteful number, since it uses less digits than its factorization.

87388771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107025.

The product of its digits is 526848, while the sum is 49.

The square root of 87388771 is about 9348.1961361538. The cubic root of 87388771 is about 443.7638055349.

The spelling of 87388771 in words is "eighty-seven million, three hundred eighty-eight thousand, seven hundred seventy-one".