772066863 has 8 divisors (see below), whose sum is σ = 1143802800. Its totient is φ = 514711224.

The previous prime is 772066787. The next prime is 772066871. The reversal of 772066863 is 368660277.

772066863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 772066863 - 2¹⁶ = 772001327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772066063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14297508 + ... + 14297561.

It is an arithmetic number, because the mean of its divisors is an integer number (142975350).

Almost surely, 2^772066863 is an apocalyptic number.

772066863 is a deficient number, since it is larger than the sum of its proper divisors (371735937).

772066863 is a wasteful number, since it uses less digits than its factorization.

772066863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28595078 (or 28595072 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 772066863 is about 27786.0911788614. The cubic root of 772066863 is about 917.3850060920.

The spelling of 772066863 in words is "seven hundred seventy-two million, sixty-six thousand, eight hundred sixty-three".