28950014477 has 2 divisors, whose sum is σ = 28950014478. Its totient is φ = 28950014476.

The previous prime is 28950014473. The next prime is 28950014491. The reversal of 28950014477 is 77441005982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28716352681 + 233661796 = 169459^2 + 15286^2 .

It is a cyclic number.

It is not a de Polignac number, because 28950014477 - 2² = 28950014473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28950014473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14475007238 + 14475007239.

It is an arithmetic number, because the mean of its divisors is an integer number (14475007239).

Almost surely, 2^28950014477 is an apocalyptic number.

It is an amenable number.

28950014477 is a deficient number, since it is larger than the sum of its proper divisors (1).

28950014477 is an equidigital number, since it uses as much as digits as its factorization.

28950014477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 28950014477 in words is "twenty-eight billion, nine hundred fifty million, fourteen thousand, four hundred seventy-seven".