28653297548 has 12 divisors (see below), whose sum is σ = 52782390360. Its totient is φ = 13572614592.

The previous prime is 28653297527. The next prime is 28653297553. The reversal of 28653297548 is 84579235682.

It is a super-2 number, since 2×28653297548² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188508461 + ... + 188508612.

It is an arithmetic number, because the mean of its divisors is an integer number (4398532530).

Almost surely, 2^28653297548 is an apocalyptic number.

It is an amenable number.

28653297548 is a deficient number, since it is larger than the sum of its proper divisors (24129092812).

28653297548 is a wasteful number, since it uses less digits than its factorization.

28653297548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377017096 (or 377017094 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 59.

The spelling of 28653297548 in words is "twenty-eight billion, six hundred fifty-three million, two hundred ninety-seven thousand, five hundred forty-eight".