720010009837897 has 16 divisors (see below), whose sum is σ = 727799072140800. Its totient is φ = 712260804096000.

The previous prime is 720010009837891. The next prime is 720010009837907. The reversal of 720010009837897 is 798738900010027.

It is a cyclic number.

It is not a de Polignac number, because 720010009837897 - 2³ = 720010009837889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720010009837891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415594729 + ... + 2415892777.

It is an arithmetic number, because the mean of its divisors is an integer number (45487442008800).

Almost surely, 2^{720010009837897} is an apocalyptic number.

It is an amenable number.

720010009837897 is a deficient number, since it is larger than the sum of its proper divisors (7789062302903).

720010009837897 is a wasteful number, since it uses less digits than its factorization.

720010009837897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364824.

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 720010009837897 in words is "seven hundred twenty trillion, ten billion, nine million, eight hundred thirty-seven thousand, eight hundred ninety-seven".