28466974877 has 8 divisors (see below), whose sum is σ = 31100358240. Its totient is φ = 25841170960.

The previous prime is 28466974873. The next prime is 28466974889. The reversal of 28466974877 is 77847966482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28466974877 - 2² = 28466974873 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 (28466974871) 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, 1887002 + ... + 1902027.

It is an arithmetic number, because the mean of its divisors is an integer number (3887544780).

Almost surely, 2^28466974877 is an apocalyptic number.

It is an amenable number.

28466974877 is a deficient number, since it is larger than the sum of its proper divisors (2633383363).

28466974877 is a wasteful number, since it uses less digits than its factorization.

28466974877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789723.

The product of its digits is 227598336, while the sum is 68.

The spelling of 28466974877 in words is "twenty-eight billion, four hundred sixty-six million, nine hundred seventy-four thousand, eight hundred seventy-seven".