28056141670 has 16 divisors (see below), whose sum is σ = 50683374288. Its totient is φ = 11181941280.

The previous prime is 28056141647. The next prime is 28056141671. The reversal of 28056141670 is 7614165082.

It is a super-2 number, since 2×28056141670² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056141671) 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, 5061516 + ... + 5067055.

It is an arithmetic number, because the mean of its divisors is an integer number (3167710893).

Almost surely, 2^28056141670 is an apocalyptic number.

28056141670 is a deficient number, since it is larger than the sum of its proper divisors (22627232618).

28056141670 is a wasteful number, since it uses less digits than its factorization.

28056141670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128855.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 28056141670 in words is "twenty-eight billion, fifty-six million, one hundred forty-one thousand, six hundred seventy".