2133766478 has 8 divisors (see below), whose sum is σ = 3204181272. Its totient is φ = 1065706056.

The previous prime is 2133766471. The next prime is 2133766483. The reversal of 2133766478 is 8746673312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133766471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586325 + ... + 589952.

It is an arithmetic number, because the mean of its divisors is an integer number (400522659).

Almost surely, 2^2133766478 is an apocalyptic number.

2133766478 is a deficient number, since it is larger than the sum of its proper divisors (1070414794).

2133766478 is a wasteful number, since it uses less digits than its factorization.

2133766478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177186.

The product of its digits is 1016064, while the sum is 47.

The square root of 2133766478 is about 46192.7102257488. The cubic root of 2133766478 is about 1287.4062978654.

The spelling of 2133766478 in words is "two billion, one hundred thirty-three million, seven hundred sixty-six thousand, four hundred seventy-eight".