897777213795 has 216 divisors, whose sum is σ = 2094472008720. Its totient is φ = 353463264000.

The previous prime is 897777213761. The next prime is 897777213803. The reversal of 897777213795 is 597312777798.

It is not a de Polignac number, because 897777213795 - 2⁷ = 897777213667 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 4980745 + ... + 5157845.

It is an arithmetic number, because the mean of its divisors is an integer number (9696629670).

Almost surely, 2^897777213795 is an apocalyptic number.

897777213795 is an abundant number, since it is smaller than the sum of its proper divisors (1196694794925).

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

897777213795 is a wasteful number, since it uses less digits than its factorization.

897777213795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177167 (or 177146 counting only the distinct ones).

The product of its digits is 326728080, while the sum is 72.

The spelling of 897777213795 in words is "eight hundred ninety-seven billion, seven hundred seventy-seven million, two hundred thirteen thousand, seven hundred ninety-five".