87882819 has 8 divisors (see below), whose sum is σ = 117664272. Its totient is φ = 58344960.

The previous prime is 87882811. The next prime is 87882829. The reversal of 87882819 is 91828878.

It is a happy number.

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

It is not a de Polignac number, because 87882819 - 2³ = 87882811 is a prime.

It is a super-2 number, since 2×87882819² = 15446779750773522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87882811) 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, 60054 + ... + 61499.

It is an arithmetic number, because the mean of its divisors is an integer number (14708034).

Almost surely, 2^87882819 is an apocalyptic number.

87882819 is a deficient number, since it is larger than the sum of its proper divisors (29781453).

87882819 is a wasteful number, since it uses less digits than its factorization.

87882819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121797.

The product of its digits is 516096, while the sum is 51.

The square root of 87882819 is about 9374.5836707557. The cubic root of 87882819 is about 444.5984999532.

The spelling of 87882819 in words is "eighty-seven million, eight hundred eighty-two thousand, eight hundred nineteen".