28627647955 has 16 divisors (see below), whose sum is σ = 35295642144. Its totient is φ = 22274300160.

The previous prime is 28627647949. The next prime is 28627647973. The reversal of 28627647955 is 55974672682.

It is not a de Polignac number, because 28627647955 - 2⁷ = 28627647827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28627647893 and 28627647902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457720 + ... + 516490.

It is an arithmetic number, because the mean of its divisors is an integer number (2205977634).

Almost surely, 2^28627647955 is an apocalyptic number.

28627647955 is a deficient number, since it is larger than the sum of its proper divisors (6667994189).

28627647955 is a wasteful number, since it uses less digits than its factorization.

28627647955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61446.

The product of its digits is 50803200, while the sum is 61.

The spelling of 28627647955 in words is "twenty-eight billion, six hundred twenty-seven million, six hundred forty-seven thousand, nine hundred fifty-five".