28840022030667 has 4 divisors (see below), whose sum is σ = 38453362707560. Its totient is φ = 19226681353776.

The previous prime is 28840022030663. The next prime is 28840022030683. The reversal of 28840022030667 is 76603022004882.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28840022030667 - 2² = 28840022030663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28840022030663) 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, 4806670338442 + ... + 4806670338447.

It is an arithmetic number, because the mean of its divisors is an integer number (9613340676890).

Almost surely, 2^{28840022030667} is an apocalyptic number.

28840022030667 is a deficient number, since it is larger than the sum of its proper divisors (9613340676893).

28840022030667 is an equidigital number, since it uses as much as digits as its factorization.

28840022030667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613340676892.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 28840022030667 in words is "twenty-eight trillion, eight hundred forty billion, twenty-two million, thirty thousand, six hundred sixty-seven".