28601460142877 has 2 divisors, whose sum is σ = 28601460142878. Its totient is φ = 28601460142876.

The previous prime is 28601460142859. The next prime is 28601460142897. The reversal of 28601460142877 is 77824106410682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15645592613401 + 12955867529476 = 3955451^2 + 3599426^2 .

It is a cyclic number.

It is not a de Polignac number, because 28601460142877 - 2²⁶ = 28601393034013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601460142807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300730071438 + 14300730071439.

It is an arithmetic number, because the mean of its divisors is an integer number (14300730071439).

Almost surely, 2^{28601460142877} is an apocalyptic number.

It is an amenable number.

28601460142877 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601460142877 is an equidigital number, since it uses as much as digits as its factorization.

28601460142877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 28601460142877 in words is "twenty-eight trillion, six hundred one billion, four hundred sixty million, one hundred forty-two thousand, eight hundred seventy-seven".