215043277982 has 32 divisors (see below), whose sum is σ = 358955198112. Its totient is φ = 95975777664.

The previous prime is 215043277949. The next prime is 215043277993. The reversal of 215043277982 is 289772340512.

215043277982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×215043277982³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 215043277982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528893 + ... + 842504.

It is an arithmetic number, because the mean of its divisors is an integer number (11217349941).

Almost surely, 2^215043277982 is an apocalyptic number.

215043277982 is a deficient number, since it is larger than the sum of its proper divisors (143911920130).

215043277982 is a wasteful number, since it uses less digits than its factorization.

215043277982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371612.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 215043277982 in words is "two hundred fifteen billion, forty-three million, two hundred seventy-seven thousand, nine hundred eighty-two".