720109439387 has 8 divisors (see below), whose sum is σ = 777615564096. Its totient is φ = 662905184832.

The previous prime is 720109439359. The next prime is 720109439419. The reversal of 720109439387 is 783934901027.

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 720109439387 - 2¹⁸ = 720109177243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720109439347) 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, 75462578 + ... + 75472119.

It is an arithmetic number, because the mean of its divisors is an integer number (97201945512).

Almost surely, 2^720109439387 is an apocalyptic number.

720109439387 is a deficient number, since it is larger than the sum of its proper divisors (57506124709).

720109439387 is a wasteful number, since it uses less digits than its factorization.

720109439387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150935077.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 720109439387 in words is "seven hundred twenty billion, one hundred nine million, four hundred thirty-nine thousand, three hundred eighty-seven".