896397981457 has 8 divisors (see below), whose sum is σ = 979696271232. Its totient is φ = 813400952400.

The previous prime is 896397981443. The next prime is 896397981461. The reversal of 896397981457 is 754189793698.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 896397981457 - 2⁷ = 896397981329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (896397681457) 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, 75308953 + ... + 75320854.

It is an arithmetic number, because the mean of its divisors is an integer number (122462033904).

Almost surely, 2^896397981457 is an apocalyptic number.

It is an amenable number.

896397981457 is a deficient number, since it is larger than the sum of its proper divisors (83298289775).

896397981457 is a wasteful number, since it uses less digits than its factorization.

896397981457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150630359.

The product of its digits is 823011840, while the sum is 76.

The spelling of 896397981457 in words is "eight hundred ninety-six billion, three hundred ninety-seven million, nine hundred eighty-one thousand, four hundred fifty-seven".