28046893597 has 2 divisors, whose sum is σ = 28046893598. Its totient is φ = 28046893596.

The previous prime is 28046893591. The next prime is 28046893673. The reversal of 28046893597 is 79539864082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19161757476 + 8885136121 = 138426^2 + 94261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28046893597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28046893591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14023446798 + 14023446799.

It is an arithmetic number, because the mean of its divisors is an integer number (14023446799).

Almost surely, 2^28046893597 is an apocalyptic number.

It is an amenable number.

28046893597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28046893597 is an equidigital number, since it uses as much as digits as its factorization.

28046893597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 28046893597 in words is "twenty-eight billion, forty-six million, eight hundred ninety-three thousand, five hundred ninety-seven".