28029911207 has 2 divisors, whose sum is σ = 28029911208. Its totient is φ = 28029911206.

The previous prime is 28029911123. The next prime is 28029911213. The reversal of 28029911207 is 70211992082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28029911207 - 2²⁴ = 28013133991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28029911267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014955603 + 14014955604.

It is an arithmetic number, because the mean of its divisors is an integer number (14014955604).

Almost surely, 2^28029911207 is an apocalyptic number.

28029911207 is a deficient number, since it is larger than the sum of its proper divisors (1).

28029911207 is an equidigital number, since it uses as much as digits as its factorization.

28029911207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 28029911207 in words is "twenty-eight billion, twenty-nine million, nine hundred eleven thousand, two hundred seven".