772705625851 has 16 divisors (see below), whose sum is σ = 791515169280. Its totient is φ = 754186204800.

The previous prime is 772705625803. The next prime is 772705625891. The reversal of 772705625851 is 158526507277.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 772705625851 - 2¹⁵ = 772705593083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772705625792 and 772705625801.

It is not an unprimeable number, because it can be changed into a prime (772705625891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990630 + ... + 2346916.

It is an arithmetic number, because the mean of its divisors is an integer number (49469698080).

Almost surely, 2^772705625851 is an apocalyptic number.

772705625851 is a deficient number, since it is larger than the sum of its proper divisors (18809543429).

772705625851 is a wasteful number, since it uses less digits than its factorization.

772705625851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356694.

The product of its (nonzero) digits is 8232000, while the sum is 55.

The spelling of 772705625851 in words is "seven hundred seventy-two billion, seven hundred five million, six hundred twenty-five thousand, eight hundred fifty-one".