87087119 has 4 divisors (see below), whose sum is σ = 99528144. Its totient is φ = 74646096.

The previous prime is 87087113. The next prime is 87087137. The reversal of 87087119 is 91178078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91178078 = 2 ⋅45589039.

It is not a de Polignac number, because 87087119 - 2⁴ = 87087103 is a prime.

It is a super-2 number, since 2×87087119² = 15168332591440322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87087113) 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, 6220502 + ... + 6220515.

It is an arithmetic number, because the mean of its divisors is an integer number (24882036).

Almost surely, 2^87087119 is an apocalyptic number.

87087119 is a deficient number, since it is larger than the sum of its proper divisors (12441025).

87087119 is a wasteful number, since it uses less digits than its factorization.

87087119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441024.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 87087119 is about 9332.0479531558. The cubic root of 87087119 is about 443.2526164442.

The spelling of 87087119 in words is "eighty-seven million, eighty-seven thousand, one hundred nineteen".