28063155813 has 64 divisors (see below), whose sum is σ = 47290908672. Its totient is φ = 14378719680.

The previous prime is 28063155803. The next prime is 28063155823. The reversal of 28063155813 is 31855136082.

It is an interprime number because it is at equal distance from previous prime (28063155803) and next prime (28063155823).

It is not a de Polignac number, because 28063155813 - 2⁴ = 28063155797 is a prime.

It is a super-3 number, since 3×28063155813³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28063155803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21147156 + ... + 21148482.

It is an arithmetic number, because the mean of its divisors is an integer number (738920448).

Almost surely, 2^28063155813 is an apocalyptic number.

It is an amenable number.

28063155813 is a deficient number, since it is larger than the sum of its proper divisors (19227752859).

28063155813 is a wasteful number, since it uses less digits than its factorization.

28063155813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 28063155813 in words is "twenty-eight billion, sixty-three million, one hundred fifty-five thousand, eight hundred thirteen".