28428795501 has 8 divisors (see below), whose sum is σ = 39553106880. Its totient is φ = 18128507232.

The previous prime is 28428795457. The next prime is 28428795503. The reversal of 28428795501 is 10559782482.

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

It is not a de Polignac number, because 28428795501 - 2¹⁰ = 28428794477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28428795503) 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, 206005696 + ... + 206005833.

It is an arithmetic number, because the mean of its divisors is an integer number (4944138360).

Almost surely, 2^28428795501 is an apocalyptic number.

It is an amenable number.

28428795501 is a deficient number, since it is larger than the sum of its proper divisors (11124311379).

28428795501 is a wasteful number, since it uses less digits than its factorization.

28428795501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412011555.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 28428795501 in words is "twenty-eight billion, four hundred twenty-eight million, seven hundred ninety-five thousand, five hundred one".