28463557004 has 12 divisors (see below), whose sum is σ = 50324743224. Its totient is φ = 14085058944.

The previous prime is 28463556997. The next prime is 28463557007. The reversal of 28463557004 is 40075536482.

It is not an unprimeable number, because it can be changed into a prime (28463557007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36679454 + ... + 36680229.

It is an arithmetic number, because the mean of its divisors is an integer number (4193728602).

Almost surely, 2^28463557004 is an apocalyptic number.

It is an amenable number.

28463557004 is a deficient number, since it is larger than the sum of its proper divisors (21861186220).

28463557004 is a wasteful number, since it uses less digits than its factorization.

28463557004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73359784 (or 73359782 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 28463557004 in words is "twenty-eight billion, four hundred sixty-three million, five hundred fifty-seven thousand, four".