28061266371 has 32 divisors (see below), whose sum is σ = 39597465600. Its totient is φ = 17647526400.

The previous prime is 28061266339. The next prime is 28061266379. The reversal of 28061266371 is 17366216082.

It is not a de Polignac number, because 28061266371 - 2⁵ = 28061266339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28061266379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6033655 + ... + 6038303.

It is an arithmetic number, because the mean of its divisors is an integer number (1237420800).

Almost surely, 2^28061266371 is an apocalyptic number.

28061266371 is a deficient number, since it is larger than the sum of its proper divisors (11536199229).

28061266371 is a wasteful number, since it uses less digits than its factorization.

28061266371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 28061266371 in words is "twenty-eight billion, sixty-one million, two hundred sixty-six thousand, three hundred seventy-one".