897847051599 has 12 divisors (see below), whose sum is σ = 1373177843856. Its totient is φ = 563355012672.

The previous prime is 897847051559. The next prime is 897847051649. The reversal of 897847051599 is 995150748798.

It is a happy number.

897847051599 is a `hidden beast` number, since 89 + 78 + 470 + 5 + 1 + 5 + 9 + 9 = 666.

It is not a de Polignac number, because 897847051599 - 2⁷ = 897847051471 is a prime.

It is a super-2 number, since 2×897847051599² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897847051559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2934140539 + ... + 2934140844.

It is an arithmetic number, because the mean of its divisors is an integer number (114431486988).

Almost surely, 2^897847051599 is an apocalyptic number.

897847051599 is a deficient number, since it is larger than the sum of its proper divisors (475330792257).

897847051599 is a wasteful number, since it uses less digits than its factorization.

897847051599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868281406 (or 5868281403 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 72.

The spelling of 897847051599 in words is "eight hundred ninety-seven billion, eight hundred forty-seven million, fifty-one thousand, five hundred ninety-nine".