28922664017 has 16 divisors (see below), whose sum is σ = 31679741520. Its totient is φ = 26245097472.

The previous prime is 28922663953. The next prime is 28922664031. The reversal of 28922664017 is 71046622982.

It can be written as a sum of positive squares in 8 ways, for example, as 5870011456 + 23052652561 = 76616^2 + 151831^2 .

It is a cyclic number.

It is not a de Polignac number, because 28922664017 - 2⁶ = 28922663953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28922664037) 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, 127913 + ... + 272409.

It is an arithmetic number, because the mean of its divisors is an integer number (1979983845).

Almost surely, 2^28922664017 is an apocalyptic number.

It is an amenable number.

28922664017 is a deficient number, since it is larger than the sum of its proper divisors (2757077503).

28922664017 is a wasteful number, since it uses less digits than its factorization.

28922664017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144772.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 28922664017 in words is "twenty-eight billion, nine hundred twenty-two million, six hundred sixty-four thousand, seventeen".