28903631627 has 4 divisors (see below), whose sum is σ = 31126987920. Its totient is φ = 26680275336.

The previous prime is 28903631609. The next prime is 28903631633. The reversal of 28903631627 is 72613630982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28903631627 - 2¹² = 28903627531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28903631657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111678127 + ... + 1111678152.

It is an arithmetic number, because the mean of its divisors is an integer number (7781746980).

Almost surely, 2^28903631627 is an apocalyptic number.

28903631627 is a deficient number, since it is larger than the sum of its proper divisors (2223356293).

28903631627 is a wasteful number, since it uses less digits than its factorization.

28903631627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223356292.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 28903631627 in words is "twenty-eight billion, nine hundred three million, six hundred thirty-one thousand, six hundred twenty-seven".