720260279687 has 16 divisors (see below), whose sum is σ = 816562692960. Its totient is φ = 629806689792.

The previous prime is 720260279663. The next prime is 720260279707. The reversal of 720260279687 is 786972062027.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 720260279687 - 2¹² = 720260275591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720220279687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2754203 + ... + 3004355.

It is an arithmetic number, because the mean of its divisors is an integer number (51035168310).

Almost surely, 2^720260279687 is an apocalyptic number.

720260279687 is a deficient number, since it is larger than the sum of its proper divisors (96302413273).

720260279687 is a wasteful number, since it uses less digits than its factorization.

720260279687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261842.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 720260279687 in words is "seven hundred twenty billion, two hundred sixty million, two hundred seventy-nine thousand, six hundred eighty-seven".