28363255560997 has 16 divisors (see below), whose sum is σ = 34121397030400. Its totient is φ = 23031690096240.

The previous prime is 28363255560973. The next prime is 28363255561001. The reversal of 28363255560997 is 79906555236382.

It is not a de Polignac number, because 28363255560997 - 2⁴³ = 19567162538789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28363255560197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29534722 + ... + 30479932.

It is an arithmetic number, because the mean of its divisors is an integer number (2132587314400).

Almost surely, 2^{28363255560997} is an apocalyptic number.

It is an amenable number.

28363255560997 is a deficient number, since it is larger than the sum of its proper divisors (5758141469403).

28363255560997 is a wasteful number, since it uses less digits than its factorization.

28363255560997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170856.

The product of its (nonzero) digits is 734832000, while the sum is 70.

The spelling of 28363255560997 in words is "twenty-eight trillion, three hundred sixty-three billion, two hundred fifty-five million, five hundred sixty thousand, nine hundred ninety-seven".