28622365475 has 36 divisors (see below), whose sum is σ = 39963249480. Its totient is φ = 20308464000.

The previous prime is 28622365423. The next prime is 28622365483. The reversal of 28622365475 is 57456322682.

It is not a de Polignac number, because 28622365475 - 2¹⁸ = 28622103331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8636 + ... + 239414.

Almost surely, 2^28622365475 is an apocalyptic number.

28622365475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28622365475 is a deficient number, since it is larger than the sum of its proper divisors (11340884005).

28622365475 is a wasteful number, since it uses less digits than its factorization.

28622365475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230852 (or 230836 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 28622365475 in words is "twenty-eight billion, six hundred twenty-two million, three hundred sixty-five thousand, four hundred seventy-five".