786540057601 has 4 divisors (see below), whose sum is σ = 797314579012. Its totient is φ = 775765536192.

The previous prime is 786540057577. The next prime is 786540057631. The reversal of 786540057601 is 106750045687.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106750045687 = 7219 ⋅14787373.

It can be written as a sum of positive squares in 2 ways, for example, as 661008024576 + 125532033025 = 813024^2 + 354305^2 .

It is a cyclic number.

It is not a de Polignac number, because 786540057601 - 2⁹ = 786540057089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (786540057631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5387260596 + ... + 5387260741.

It is an arithmetic number, because the mean of its divisors is an integer number (199328644753).

Almost surely, 2^786540057601 is an apocalyptic number.

It is an amenable number.

786540057601 is a deficient number, since it is larger than the sum of its proper divisors (10774521411).

786540057601 is a wasteful number, since it uses less digits than its factorization.

786540057601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774521410.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 786540057601 in words is "seven hundred eighty-six billion, five hundred forty million, fifty-seven thousand, six hundred one".