2164477882 has 48 divisors (see below), whose sum is σ = 3949197120. Its totient is φ = 885458112.

The previous prime is 2164477873. The next prime is 2164477907. The reversal of 2164477882 is 2887744612.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1822893 + ... + 1824079.

It is an arithmetic number, because the mean of its divisors is an integer number (82274940).

Almost surely, 2^2164477882 is an apocalyptic number.

2164477882 is a deficient number, since it is larger than the sum of its proper divisors (1784719238).

2164477882 is a wasteful number, since it uses less digits than its factorization.

2164477882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2028 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 2164477882 is about 46523.9495528916. The cubic root of 2164477882 is about 1293.5534663708.

The spelling of 2164477882 in words is "two billion, one hundred sixty-four million, four hundred seventy-seven thousand, eight hundred eighty-two".