28622608537 has 8 divisors (see below), whose sum is σ = 29911406976. Its totient is φ = 27362135472.

The previous prime is 28622608489. The next prime is 28622608591. The reversal of 28622608537 is 73580622682.

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 28622608537 - 2⁷ = 28622608409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28622608337) 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, 7079278 + ... + 7083319.

It is an arithmetic number, because the mean of its divisors is an integer number (3738925872).

Almost surely, 2^28622608537 is an apocalyptic number.

It is an amenable number.

28622608537 is a deficient number, since it is larger than the sum of its proper divisors (1288798439).

28622608537 is a wasteful number, since it uses less digits than its factorization.

28622608537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162687.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 28622608537 in words is "twenty-eight billion, six hundred twenty-two million, six hundred eight thousand, five hundred thirty-seven".