28322670125 has 16 divisors (see below), whose sum is σ = 35364002544. Its totient is φ = 22647040000.

The previous prime is 28322670067. The next prime is 28322670133. The reversal of 28322670125 is 52107622382.

It can be written as a sum of positive squares in 8 ways, for example, as 8145604009 + 20177066116 = 90253^2 + 142046^2 .

It is not a de Polignac number, because 28322670125 - 2²⁶ = 28255561261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205685 + ... + 314565.

It is an arithmetic number, because the mean of its divisors is an integer number (2210250159).

Almost surely, 2^28322670125 is an apocalyptic number.

28322670125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28322670125 is a deficient number, since it is larger than the sum of its proper divisors (7041332419).

28322670125 is a wasteful number, since it uses less digits than its factorization.

28322670125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110977 (or 110967 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 28322670125 in words is "twenty-eight billion, three hundred twenty-two million, six hundred seventy thousand, one hundred twenty-five".