87762216219 has 16 divisors (see below), whose sum is σ = 126921543840. Its totient is φ = 53723402240.

The previous prime is 87762216211. The next prime is 87762216229. The reversal of 87762216219 is 91261226778.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87762216219 - 2³ = 87762216211 is a prime.

It is a super-2 number, since 2×87762216219² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (87762216211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20983614 + ... + 20987795.

It is an arithmetic number, because the mean of its divisors is an integer number (7932596490).

Almost surely, 2^87762216219 is an apocalyptic number.

87762216219 is a deficient number, since it is larger than the sum of its proper divisors (39159327621).

87762216219 is a wasteful number, since it uses less digits than its factorization.

87762216219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41971470.

The product of its digits is 1016064, while the sum is 51.

It can be divided in two parts, 8776 and 2216219, that added together give a triangular number (2224995 = T₂₁₀₉).

The spelling of 87762216219 in words is "eighty-seven billion, seven hundred sixty-two million, two hundred sixteen thousand, two hundred nineteen".