897649525946798 has 16 divisors (see below), whose sum is σ = 1348579114154640. Its totient is φ = 448123448068800.

The previous prime is 897649525946777. The next prime is 897649525946801.

897649525946798 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×897649525946798² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67257413 + ... + 79491248.

It is an arithmetic number, because the mean of its divisors is an integer number (84286194634665).

Almost surely, 2^{897649525946798} is an apocalyptic number.

897649525946798 is a deficient number, since it is larger than the sum of its proper divisors (450929588207842).

897649525946798 is a wasteful number, since it uses less digits than its factorization.

897649525946798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146753443.

The product of its digits is 592568524800, while the sum is 98.

The spelling of 897649525946798 in words is "eight hundred ninety-seven trillion, six hundred forty-nine billion, five hundred twenty-five million, nine hundred forty-six thousand, seven hundred ninety-eight".