28437309145 has 8 divisors (see below), whose sum is σ = 38999738304. Its totient is φ = 19499869104.

The previous prime is 28437309107. The next prime is 28437309161. The reversal of 28437309145 is 54190373482.

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

It is a cyclic number.

It is not a de Polignac number, because 28437309145 - 2¹⁵ = 28437276377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28437309095 and 28437309104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406247239 + ... + 406247308.

It is an arithmetic number, because the mean of its divisors is an integer number (4874967288).

Almost surely, 2^28437309145 is an apocalyptic number.

It is an amenable number.

28437309145 is a deficient number, since it is larger than the sum of its proper divisors (10562429159).

28437309145 is an equidigital number, since it uses as much as digits as its factorization.

28437309145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812494559.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 28437309145 in words is "twenty-eight billion, four hundred thirty-seven million, three hundred nine thousand, one hundred forty-five".