28086138550203 has 16 divisors (see below), whose sum is σ = 38175033370656. Its totient is φ = 18362489725440.

The previous prime is 28086138550193. The next prime is 28086138550213. The reversal of 28086138550203 is 30205583168082.

It is an interprime number because it is at equal distance from previous prime (28086138550193) and next prime (28086138550213).

It is not a de Polignac number, because 28086138550203 - 2⁴ = 28086138550187 is a prime.

It is a super-2 number, since 2×28086138550203² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28086138550213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227647776 + ... + 227771117.

It is an arithmetic number, because the mean of its divisors is an integer number (2385939585666).

Almost surely, 2^{28086138550203} is an apocalyptic number.

28086138550203 is a deficient number, since it is larger than the sum of its proper divisors (10088894820453).

28086138550203 is a wasteful number, since it uses less digits than its factorization.

28086138550203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455419294.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 28086138550203 in words is "twenty-eight trillion, eighty-six billion, one hundred thirty-eight million, five hundred fifty thousand, two hundred three".