28367306425 has 6 divisors (see below), whose sum is σ = 35175459998. Its totient is φ = 22693845120.

The previous prime is 28367306393. The next prime is 28367306453. The reversal of 28367306425 is 52460376382.

It can be written as a sum of positive squares in 3 ways, for example, as 3259953216 + 25107353209 = 57096^2 + 158453^2 .

It is not a de Polignac number, because 28367306425 - 2⁵ = 28367306393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567346104 + ... + 567346153.

Almost surely, 2^28367306425 is an apocalyptic number.

28367306425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28367306425 is a deficient number, since it is larger than the sum of its proper divisors (6808153573).

28367306425 is a wasteful number, since it uses less digits than its factorization.

28367306425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134692267 (or 1134692262 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 28367306425 in words is "twenty-eight billion, three hundred sixty-seven million, three hundred six thousand, four hundred twenty-five".