72680857711 has 8 divisors (see below), whose sum is σ = 90615095424. Its totient is φ = 56634434520.

The previous prime is 72680857709. The next prime is 72680857723. The reversal of 72680857711 is 11775808627.

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 72680857711 - 2¹ = 72680857709 is a prime.

It is a super-3 number, since 3×72680857711³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72680857751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471953545 + ... + 471953698.

It is an arithmetic number, because the mean of its divisors is an integer number (11326886928).

Almost surely, 2^72680857711 is an apocalyptic number.

72680857711 is a deficient number, since it is larger than the sum of its proper divisors (17934237713).

72680857711 is a wasteful number, since it uses less digits than its factorization.

72680857711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943907261.

The product of its (nonzero) digits is 1317120, while the sum is 52.

The spelling of 72680857711 in words is "seventy-two billion, six hundred eighty million, eight hundred fifty-seven thousand, seven hundred eleven".