28662627371 has 12 divisors (see below), whose sum is σ = 33534979632. Its totient is φ = 24425947728.

The previous prime is 28662627359. The next prime is 28662627401. The reversal of 28662627371 is 17372626682.

It is not a de Polignac number, because 28662627371 - 2¹⁰ = 28662626347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28662627341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1682135 + ... + 1699088.

It is an arithmetic number, because the mean of its divisors is an integer number (2794581636).

Almost surely, 2^28662627371 is an apocalyptic number.

28662627371 is a deficient number, since it is larger than the sum of its proper divisors (4872352261).

28662627371 is a wasteful number, since it uses less digits than its factorization.

28662627371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381410 (or 3381403 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The spelling of 28662627371 in words is "twenty-eight billion, six hundred sixty-two million, six hundred twenty-seven thousand, three hundred seventy-one".