28855713461 has 2 divisors, whose sum is σ = 28855713462. Its totient is φ = 28855713460.

The previous prime is 28855713457. The next prime is 28855713503. The reversal of 28855713461 is 16431755882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27539402500 + 1316310961 = 165950^2 + 36281^2 .

It is a cyclic number.

It is not a de Polignac number, because 28855713461 - 2² = 28855713457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28855713431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14427856730 + 14427856731.

It is an arithmetic number, because the mean of its divisors is an integer number (14427856731).

Almost surely, 2^28855713461 is an apocalyptic number.

It is an amenable number.

28855713461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28855713461 is an equidigital number, since it uses as much as digits as its factorization.

28855713461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The spelling of 28855713461 in words is "twenty-eight billion, eight hundred fifty-five million, seven hundred thirteen thousand, four hundred sixty-one".