28107555351 has 4 divisors (see below), whose sum is σ = 37476740472. Its totient is φ = 18738370232.

The previous prime is 28107555313. The next prime is 28107555389. The reversal of 28107555351 is 15355570182.

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

It is an interprime number because it is at equal distance from previous prime (28107555313) and next prime (28107555389).

It is a cyclic number.

It is not a de Polignac number, because 28107555351 - 2²⁵ = 28074000919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28107555391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4684592556 + ... + 4684592561.

It is an arithmetic number, because the mean of its divisors is an integer number (9369185118).

Almost surely, 2^28107555351 is an apocalyptic number.

28107555351 is a deficient number, since it is larger than the sum of its proper divisors (9369185121).

28107555351 is an equidigital number, since it uses as much as digits as its factorization.

28107555351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369185120.

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 28107555351 in words is "twenty-eight billion, one hundred seven million, five hundred fifty-five thousand, three hundred fifty-one".