772539068017 has 4 divisors (see below), whose sum is σ = 784069501936. Its totient is φ = 761008634100.

The previous prime is 772539067987. The next prime is 772539068029. The reversal of 772539068017 is 710860935277.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710860935277 = 1009 ⋅704520253.

It is a cyclic number.

It is not a de Polignac number, because 772539068017 - 2¹⁹ = 772538543729 is a prime.

It is a super-2 number, since 2×772539068017² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772539068057) 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, 5765216859 + ... + 5765216992.

It is an arithmetic number, because the mean of its divisors is an integer number (196017375484).

Almost surely, 2^772539068017 is an apocalyptic number.

It is an amenable number.

772539068017 is a deficient number, since it is larger than the sum of its proper divisors (11530433919).

772539068017 is a wasteful number, since it uses less digits than its factorization.

772539068017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530433918.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 772539068017 in words is "seven hundred seventy-two billion, five hundred thirty-nine million, sixty-eight thousand, seventeen".