28058550278 has 16 divisors (see below), whose sum is σ = 45969539904. Its totient is φ = 12738456360.

The previous prime is 28058550271. The next prime is 28058550281. The reversal of 28058550278 is 87205585082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28058550271) 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, 752900 + ... + 789287.

It is an arithmetic number, because the mean of its divisors is an integer number (2873096244).

Almost surely, 2^28058550278 is an apocalyptic number.

28058550278 is a deficient number, since it is larger than the sum of its proper divisors (17910989626).

28058550278 is a wasteful number, since it uses less digits than its factorization.

28058550278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543027.

The product of its (nonzero) digits is 1792000, while the sum is 50.

The spelling of 28058550278 in words is "twenty-eight billion, fifty-eight million, five hundred fifty thousand, two hundred seventy-eight".