28874661702477 has 4 divisors (see below), whose sum is σ = 38499548936640. Its totient is φ = 19249774468316.

The previous prime is 28874661702463. The next prime is 28874661702503. The reversal of 28874661702477 is 77420716647882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28874661702477 - 2¹⁰ = 28874661701453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28874661702277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4812443617077 + ... + 4812443617082.

It is an arithmetic number, because the mean of its divisors is an integer number (9624887234160).

Almost surely, 2^{28874661702477} is an apocalyptic number.

It is an amenable number.

28874661702477 is a deficient number, since it is larger than the sum of its proper divisors (9624887234163).

28874661702477 is an equidigital number, since it uses as much as digits as its factorization.

28874661702477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624887234162.

The product of its (nonzero) digits is 354041856, while the sum is 69.

The spelling of 28874661702477 in words is "twenty-eight trillion, eight hundred seventy-four billion, six hundred sixty-one million, seven hundred two thousand, four hundred seventy-seven".