28825175477 has 32 divisors (see below), whose sum is σ = 35206078464. Its totient is φ = 23068584000.

The previous prime is 28825175473. The next prime is 28825175479. The reversal of 28825175477 is 77457152882.

It is not a de Polignac number, because 28825175477 - 2² = 28825175473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28825175473) 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 31 ways as a sum of consecutive naturals, for example, 1142048 + ... + 1167014.

It is an arithmetic number, because the mean of its divisors is an integer number (1100189952).

Almost surely, 2^28825175477 is an apocalyptic number.

It is an amenable number.

28825175477 is a deficient number, since it is larger than the sum of its proper divisors (6380902987).

28825175477 is a wasteful number, since it uses less digits than its factorization.

28825175477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25169.

The product of its digits is 8780800, while the sum is 56.

The spelling of 28825175477 in words is "twenty-eight billion, eight hundred twenty-five million, one hundred seventy-five thousand, four hundred seventy-seven".