28298364157 has 32 divisors (see below), whose sum is σ = 34096195584. Its totient is φ = 22962139200.

The previous prime is 28298364137. The next prime is 28298364179. The reversal of 28298364157 is 75146389282.

It is not a de Polignac number, because 28298364157 - 2²⁷ = 28164146429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28298364098 and 28298364107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28298364137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8877718 + ... + 8880904.

It is an arithmetic number, because the mean of its divisors is an integer number (1065506112).

Almost surely, 2^28298364157 is an apocalyptic number.

It is an amenable number.

28298364157 is a deficient number, since it is larger than the sum of its proper divisors (5797831427).

28298364157 is a wasteful number, since it uses less digits than its factorization.

28298364157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769.

The product of its digits is 5806080, while the sum is 55.

The spelling of 28298364157 in words is "twenty-eight billion, two hundred ninety-eight million, three hundred sixty-four thousand, one hundred fifty-seven".