28167036945 has 16 divisors (see below), whose sum is σ = 46521042432. Its totient is φ = 14537825280.

The previous prime is 28167036907. The next prime is 28167036977. The reversal of 28167036945 is 54963076182.

It is not a de Polignac number, because 28167036945 - 2⁶ = 28167036881 is a prime.

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, 30286672 + ... + 30287601.

It is an arithmetic number, because the mean of its divisors is an integer number (2907565152).

It is a 1-persistent number, because it is pandigital, but 2⋅28167036945 = 56334073890 is not.

Almost surely, 2^28167036945 is an apocalyptic number.

It is an amenable number.

28167036945 is a deficient number, since it is larger than the sum of its proper divisors (18354005487).

28167036945 is a wasteful number, since it uses less digits than its factorization.

28167036945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60574312.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 28167036945 in words is "twenty-eight billion, one hundred sixty-seven million, thirty-six thousand, nine hundred forty-five".