897984700751 has 4 divisors (see below), whose sum is σ = 898028906712. Its totient is φ = 897940494792.

The previous prime is 897984700747. The next prime is 897984700777. The reversal of 897984700751 is 157007489798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 897984700751 - 2² = 897984700747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897984700721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22072496 + ... + 22113141.

It is an arithmetic number, because the mean of its divisors is an integer number (224507226678).

Almost surely, 2^897984700751 is an apocalyptic number.

897984700751 is a deficient number, since it is larger than the sum of its proper divisors (44205961).

897984700751 is a wasteful number, since it uses less digits than its factorization.

897984700751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44205960.

The product of its (nonzero) digits is 35562240, while the sum is 65.

The spelling of 897984700751 in words is "eight hundred ninety-seven billion, nine hundred eighty-four million, seven hundred thousand, seven hundred fifty-one".