28677390351 has 4 divisors (see below), whose sum is σ = 38236520472. Its totient is φ = 19118260232.

The previous prime is 28677390323. The next prime is 28677390373. The reversal of 28677390351 is 15309377682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28677390351 - 2¹⁰ = 28677389327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28677390294 and 28677390303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677392351) 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, 4779565056 + ... + 4779565061.

It is an arithmetic number, because the mean of its divisors is an integer number (9559130118).

Almost surely, 2^28677390351 is an apocalyptic number.

28677390351 is a deficient number, since it is larger than the sum of its proper divisors (9559130121).

28677390351 is an equidigital number, since it uses as much as digits as its factorization.

28677390351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559130120.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 28677390351 in words is "twenty-eight billion, six hundred seventy-seven million, three hundred ninety thousand, three hundred fifty-one".