28970665415 has 16 divisors (see below), whose sum is σ = 35687748096. Its totient is φ = 22564701600.

The previous prime is 28970665391. The next prime is 28970665417. The reversal of 28970665415 is 51456607982.

It is not a de Polignac number, because 28970665415 - 2¹⁴ = 28970649031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28970665417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149771 + ... + 283500.

It is an arithmetic number, because the mean of its divisors is an integer number (2230484256).

Almost surely, 2^28970665415 is an apocalyptic number.

28970665415 is a deficient number, since it is larger than the sum of its proper divisors (6717082681).

28970665415 is a wasteful number, since it uses less digits than its factorization.

28970665415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433630.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 28970665415 in words is "twenty-eight billion, nine hundred seventy million, six hundred sixty-five thousand, four hundred fifteen".