28977042203 has 2 divisors, whose sum is σ = 28977042204. Its totient is φ = 28977042202.

The previous prime is 28977042197. The next prime is 28977042217. The reversal of 28977042203 is 30224077982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28977042203 - 2¹⁸ = 28976780059 is a prime.

It is not a weakly prime, because it can be changed into another prime (28977042403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14488521101 + 14488521102.

It is an arithmetic number, because the mean of its divisors is an integer number (14488521102).

Almost surely, 2^28977042203 is an apocalyptic number.

28977042203 is a deficient number, since it is larger than the sum of its proper divisors (1).

28977042203 is an equidigital number, since it uses as much as digits as its factorization.

28977042203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 28977042203 in words is "twenty-eight billion, nine hundred seventy-seven million, forty-two thousand, two hundred three".