28307260630 has 32 divisors (see below), whose sum is σ = 55622868480. Its totient is φ = 10286567520.

The previous prime is 28307260577. The next prime is 28307260679. The reversal of 28307260630 is 3606270382.

It is a self number, because there is not a number n which added to its sum of digits gives 28307260630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77041 + ... + 250099.

It is an arithmetic number, because the mean of its divisors is an integer number (1738214640).

Almost surely, 2^28307260630 is an apocalyptic number.

28307260630 is a deficient number, since it is larger than the sum of its proper divisors (27315607850).

28307260630 is a wasteful number, since it uses less digits than its factorization.

28307260630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174564.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 28307260630 in words is "twenty-eight billion, three hundred seven million, two hundred sixty thousand, six hundred thirty".