28615317746 has 16 divisors (see below), whose sum is σ = 44403330048. Its totient is φ = 13816202400.

The previous prime is 28615317743. The next prime is 28615317767. The reversal of 28615317746 is 64771351682.

It is a junction number, because it is equal to n+sod(n) for n = 28615317694 and 28615317703.

It is not an unprimeable number, because it can be changed into a prime (28615317743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469715 + ... + 527126.

It is an arithmetic number, because the mean of its divisors is an integer number (2775208128).

Almost surely, 2^28615317746 is an apocalyptic number.

28615317746 is a deficient number, since it is larger than the sum of its proper divisors (15788012302).

28615317746 is a wasteful number, since it uses less digits than its factorization.

28615317746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997337.

The product of its digits is 1693440, while the sum is 50.

The spelling of 28615317746 in words is "twenty-eight billion, six hundred fifteen million, three hundred seventeen thousand, seven hundred forty-six".