28425747107 has 16 divisors (see below), whose sum is σ = 31719139200. Its totient is φ = 25315804800.

The previous prime is 28425747067. The next prime is 28425747143. The reversal of 28425747107 is 70174752482.

It is a cyclic number.

It is not a de Polignac number, because 28425747107 - 2⁶ = 28425747043 is a prime.

It is a super-2 number, since 2×28425747107² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28425747167) 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, 226232 + ... + 328682.

It is an arithmetic number, because the mean of its divisors is an integer number (1982446200).

Almost surely, 2^28425747107 is an apocalyptic number.

28425747107 is a deficient number, since it is larger than the sum of its proper divisors (3293392093).

28425747107 is a wasteful number, since it uses less digits than its factorization.

28425747107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103346.

The product of its (nonzero) digits is 878080, while the sum is 47.

The spelling of 28425747107 in words is "twenty-eight billion, four hundred twenty-five million, seven hundred forty-seven thousand, one hundred seven".