772770540765 has 8 divisors (see below), whose sum is σ = 1236432865248. Its totient is φ = 412144288400.

The previous prime is 772770540757. The next prime is 772770540821. The reversal of 772770540765 is 567045077277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 772770540765 - 2³ = 772770540757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25759018011 + ... + 25759018040.

It is an arithmetic number, because the mean of its divisors is an integer number (154554108156).

Almost surely, 2^772770540765 is an apocalyptic number.

It is an amenable number.

772770540765 is a deficient number, since it is larger than the sum of its proper divisors (463662324483).

772770540765 is a wasteful number, since it uses less digits than its factorization.

772770540765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51518036059.

The product of its (nonzero) digits is 20168400, while the sum is 57.

The spelling of 772770540765 in words is "seven hundred seventy-two billion, seven hundred seventy million, five hundred forty thousand, seven hundred sixty-five".