28612287963 has 48 divisors (see below), whose sum is σ = 49572746496. Its totient is φ = 16152812640.

The previous prime is 28612287931. The next prime is 28612288013. The reversal of 28612287963 is 36978221682.

It is not a de Polignac number, because 28612287963 - 2⁵ = 28612287931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28612287463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39853 + ... + 242513.

It is an arithmetic number, because the mean of its divisors is an integer number (1032765552).

Almost surely, 2^28612287963 is an apocalyptic number.

28612287963 is a deficient number, since it is larger than the sum of its proper divisors (20960458533).

28612287963 is an equidigital number, since it uses as much as digits as its factorization.

28612287963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202766 (or 202754 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 28612287963 in words is "twenty-eight billion, six hundred twelve million, two hundred eighty-seven thousand, nine hundred sixty-three".