797217219528 has 32 divisors (see below), whose sum is σ = 1997135568960. Its totient is φ = 265193403840.

The previous prime is 797217219527. The next prime is 797217219563. The reversal of 797217219528 is 825912712797.

It is a super-2 number, since 2×797217219528² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (797217219527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34092403 + ... + 34115778.

It is an arithmetic number, because the mean of its divisors is an integer number (62410486530).

Almost surely, 2^797217219528 is an apocalyptic number.

It is an amenable number.

797217219528 is an abundant number, since it is smaller than the sum of its proper divisors (1199918349432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797217219528 is a wasteful number, since it uses less digits than its factorization.

797217219528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68208677 (or 68208673 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 60.

The spelling of 797217219528 in words is "seven hundred ninety-seven billion, two hundred seventeen million, two hundred nineteen thousand, five hundred twenty-eight".