28842037597 has 2 divisors, whose sum is σ = 28842037598. Its totient is φ = 28842037596.

The previous prime is 28842037583. The next prime is 28842037613. The reversal of 28842037597 is 79573024882.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22650551001 + 6191486596 = 150501^2 + 78686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28842037597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28842037897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14421018798 + 14421018799.

It is an arithmetic number, because the mean of its divisors is an integer number (14421018799).

Almost surely, 2^28842037597 is an apocalyptic number.

It is an amenable number.

28842037597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28842037597 is an equidigital number, since it uses as much as digits as its factorization.

28842037597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 28842037597 in words is "twenty-eight billion, eight hundred forty-two million, thirty-seven thousand, five hundred ninety-seven".