28074400633 has 16 divisors (see below), whose sum is σ = 28474536960. Its totient is φ = 27677754000.

The previous prime is 28074400621. The next prime is 28074400643. The reversal of 28074400633 is 33600447082.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28074400633 - 2⁹ = 28074400121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28074400592 and 28074400601.

It is not an unprimeable number, because it can be changed into a prime (28074400643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23974138 + ... + 23975308.

It is an arithmetic number, because the mean of its divisors is an integer number (1779658560).

Almost surely, 2^28074400633 is an apocalyptic number.

It is an amenable number.

28074400633 is a deficient number, since it is larger than the sum of its proper divisors (400136327).

28074400633 is a wasteful number, since it uses less digits than its factorization.

28074400633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 28074400633 in words is "twenty-eight billion, seventy-four million, four hundred thousand, six hundred thirty-three".