2667789028 has 12 divisors (see below), whose sum is σ = 4681858860. Its totient is φ = 1330115072.

The previous prime is 2667789001. The next prime is 2667789029. The reversal of 2667789028 is 8209877662.

2667789028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1287517924 + 1380271104 = 35882^2 + 37152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2667789028.

It is not an unprimeable number, because it can be changed into a prime (2667789029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943273 + ... + 946096.

It is an arithmetic number, because the mean of its divisors is an integer number (390154905).

Almost surely, 2^2667789028 is an apocalyptic number.

It is an amenable number.

2667789028 is a deficient number, since it is larger than the sum of its proper divisors (2014069832).

2667789028 is a wasteful number, since it uses less digits than its factorization.

2667789028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889726 (or 1889724 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 2667789028 is about 51650.6440230904. The cubic root of 2667789028 is about 1386.9170718842.

The spelling of 2667789028 in words is "two billion, six hundred sixty-seven million, seven hundred eighty-nine thousand, twenty-eight".