28579659622 has 4 divisors (see below), whose sum is σ = 42869489436. Its totient is φ = 14289829810.

The previous prime is 28579659611. The next prime is 28579659653. The reversal of 28579659622 is 22695697582.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7144914904 + ... + 7144914907.

It is an arithmetic number, because the mean of its divisors is an integer number (10717372359).

Almost surely, 2^28579659622 is an apocalyptic number.

28579659622 is a deficient number, since it is larger than the sum of its proper divisors (14289829814).

28579659622 is a wasteful number, since it uses less digits than its factorization.

28579659622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289829813.

The product of its digits is 32659200, while the sum is 61.

The spelling of 28579659622 in words is "twenty-eight billion, five hundred seventy-nine million, six hundred fifty-nine thousand, six hundred twenty-two".