28614900445 has 8 divisors (see below), whose sum is σ = 35521945560. Its totient is φ = 22102543680.

The previous prime is 28614900439. The next prime is 28614900451. The reversal of 28614900445 is 54400941682.

It is an interprime number because it is at equal distance from previous prime (28614900439) and next prime (28614900451).

It can be written as a sum of positive squares in 4 ways, for example, as 689482564 + 27925417881 = 26258^2 + 167109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28614900445 - 2⁷ = 28614900317 is a prime.

It is a super-2 number, since 2×28614900445² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98671926 + ... + 98672215.

It is an arithmetic number, because the mean of its divisors is an integer number (4440243195).

Almost surely, 2^28614900445 is an apocalyptic number.

It is an amenable number.

28614900445 is a deficient number, since it is larger than the sum of its proper divisors (6907045115).

28614900445 is a wasteful number, since it uses less digits than its factorization.

28614900445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197344175.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 28614900445 in words is "twenty-eight billion, six hundred fourteen million, nine hundred thousand, four hundred forty-five".