28066070051 has 16 divisors (see below), whose sum is σ = 29336636160. Its totient is φ = 26816069280.

The previous prime is 28066070033. The next prime is 28066070057. The reversal of 28066070051 is 15007066082.

It is a cyclic number.

It is not a de Polignac number, because 28066070051 - 2⁶ = 28066069987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28066069993 and 28066070020.

It is not an unprimeable number, because it can be changed into a prime (28066070057) 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, 5980616 + ... + 5985306.

It is an arithmetic number, because the mean of its divisors is an integer number (1833539760).

Almost surely, 2^28066070051 is an apocalyptic number.

28066070051 is a deficient number, since it is larger than the sum of its proper divisors (1270566109).

28066070051 is a wasteful number, since it uses less digits than its factorization.

28066070051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 28066070051 in words is "twenty-eight billion, sixty-six million, seventy thousand, fifty-one".