28970761711 has 2 divisors, whose sum is σ = 28970761712. Its totient is φ = 28970761710.

The previous prime is 28970761709. The next prime is 28970761741. The reversal of 28970761711 is 11716707982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28970761711 - 2¹ = 28970761709 is a prime.

Together with 28970761709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28970761741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14485380855 + 14485380856.

It is an arithmetic number, because the mean of its divisors is an integer number (14485380856).

Almost surely, 2^28970761711 is an apocalyptic number.

28970761711 is a deficient number, since it is larger than the sum of its proper divisors (1).

28970761711 is an equidigital number, since it uses as much as digits as its factorization.

28970761711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 49.

The spelling of 28970761711 in words is "twenty-eight billion, nine hundred seventy million, seven hundred sixty-one thousand, seven hundred eleven".