28085702401 has 8 divisors (see below), whose sum is σ = 28345042944. Its totient is φ = 27826958880.

The previous prime is 28085702341. The next prime is 28085702429. The reversal of 28085702401 is 10420758082.

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 28085702401 - 2¹³ = 28085694209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28085702441) 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, 54460 + ... + 243181.

It is an arithmetic number, because the mean of its divisors is an integer number (3543130368).

Almost surely, 2^28085702401 is an apocalyptic number.

It is an amenable number.

28085702401 is a deficient number, since it is larger than the sum of its proper divisors (259340543).

28085702401 is a wasteful number, since it uses less digits than its factorization.

28085702401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298511.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 28085702401 in words is "twenty-eight billion, eighty-five million, seven hundred two thousand, four hundred one".