28360407025 has 12 divisors (see below), whose sum is σ = 36695901312. Its totient is φ = 21701876240.

The previous prime is 28360407013. The next prime is 28360407043. The reversal of 28360407025 is 52070406382.

It is not a de Polignac number, because 28360407025 - 2⁵ = 28360406993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24660649 + ... + 24661798.

It is an arithmetic number, because the mean of its divisors is an integer number (3057991776).

Almost surely, 2^28360407025 is an apocalyptic number.

28360407025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28360407025 is a deficient number, since it is larger than the sum of its proper divisors (8335494287).

28360407025 is a wasteful number, since it uses less digits than its factorization.

28360407025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49322480 (or 49322475 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 28360407025 in words is "twenty-eight billion, three hundred sixty million, four hundred seven thousand, twenty-five".