2866505428 has 6 divisors (see below), whose sum is σ = 5016384506. Its totient is φ = 1433252712.

The previous prime is 2866505407. The next prime is 2866505429. The reversal of 2866505428 is 8245056682.

It can be written as a sum of positive squares in only one way, i.e., 1923524164 + 942981264 = 43858^2 + 30708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866505429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358313175 + ... + 358313182.

Almost surely, 2^2866505428 is an apocalyptic number.

It is an amenable number.

2866505428 is a deficient number, since it is larger than the sum of its proper divisors (2149879078).

2866505428 is a wasteful number, since it uses less digits than its factorization.

2866505428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716626361 (or 716626359 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The square root of 2866505428 is about 53539.7555840517. The cubic root of 2866505428 is about 1420.5316775158.

The spelling of 2866505428 in words is "two billion, eight hundred sixty-six million, five hundred five thousand, four hundred twenty-eight".