28316287052 has 6 divisors (see below), whose sum is σ = 49553502348. Its totient is φ = 14158143524.

The previous prime is 28316287037. The next prime is 28316287061. The reversal of 28316287052 is 25078261382.

It is a super-2 number, since 2×28316287052² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28316286994 and 28316287012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3539535878 + ... + 3539535885.

It is an arithmetic number, because the mean of its divisors is an integer number (8258917058).

Almost surely, 2^28316287052 is an apocalyptic number.

It is an amenable number.

28316287052 is a deficient number, since it is larger than the sum of its proper divisors (21237215296).

28316287052 is a wasteful number, since it uses less digits than its factorization.

28316287052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079071767 (or 7079071765 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28316287052 in words is "twenty-eight billion, three hundred sixteen million, two hundred eighty-seven thousand, fifty-two".