28479653382787 has 2 divisors, whose sum is σ = 28479653382788. Its totient is φ = 28479653382786.

The previous prime is 28479653382769. The next prime is 28479653382967. The reversal of 28479653382787 is 78728335697482.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28479653382787 is a prime.

It is a super-2 number, since 2×28479653382787² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28479653383787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14239826691393 + 14239826691394.

It is an arithmetic number, because the mean of its divisors is an integer number (14239826691394).

Almost surely, 2^{28479653382787} is an apocalyptic number.

28479653382787 is a deficient number, since it is larger than the sum of its proper divisors (1).

28479653382787 is an equidigital number, since it uses as much as digits as its factorization.

28479653382787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6827950080, while the sum is 79.

The spelling of 28479653382787 in words is "twenty-eight trillion, four hundred seventy-nine billion, six hundred fifty-three million, three hundred eighty-two thousand, seven hundred eighty-seven".