28402700047 has 2 divisors, whose sum is σ = 28402700048. Its totient is φ = 28402700046.

The previous prime is 28402699973. The next prime is 28402700063. The reversal of 28402700047 is 74000720482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28402700047 - 2³¹ = 26255216399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28402699985 and 28402700021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28402700647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14201350023 + 14201350024.

It is an arithmetic number, because the mean of its divisors is an integer number (14201350024).

Almost surely, 2^28402700047 is an apocalyptic number.

28402700047 is a deficient number, since it is larger than the sum of its proper divisors (1).

28402700047 is an equidigital number, since it uses as much as digits as its factorization.

28402700047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 28402700047 in words is "twenty-eight billion, four hundred two million, seven hundred thousand, forty-seven".