897864395966 has 16 divisors (see below), whose sum is σ = 1354518659520. Its totient is φ = 446365458720.

The previous prime is 897864395893. The next prime is 897864395977. The reversal of 897864395966 is 669593468798.

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, 1573670 + ... + 2066921.

It is an arithmetic number, because the mean of its divisors is an integer number (84657416220).

Almost surely, 2^897864395966 is an apocalyptic number.

897864395966 is a deficient number, since it is larger than the sum of its proper divisors (456654263554).

897864395966 is a wasteful number, since it uses less digits than its factorization.

897864395966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641299.

The product of its digits is 4232632320, while the sum is 80.

The spelling of 897864395966 in words is "eight hundred ninety-seven billion, eight hundred sixty-four million, three hundred ninety-five thousand, nine hundred sixty-six".