28610648837 has 8 divisors (see below), whose sum is σ = 30118125600. Its totient is φ = 27103337424.

The previous prime is 28610648827. The next prime is 28610648863. The reversal of 28610648837 is 73884601682.

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 28610648837 - 2⁴ = 28610648821 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 (28610648827) 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, 487298 + ... + 542844.

It is an arithmetic number, because the mean of its divisors is an integer number (3764765700).

Almost surely, 2^28610648837 is an apocalyptic number.

It is an amenable number.

28610648837 is a deficient number, since it is larger than the sum of its proper divisors (1507476763).

28610648837 is a wasteful number, since it uses less digits than its factorization.

28610648837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82675.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 28610648837 in words is "twenty-eight billion, six hundred ten million, six hundred forty-eight thousand, eight hundred thirty-seven".