766953125 has 16 divisors (see below), whose sum is σ = 958786608. Its totient is φ = 613500000.

The previous prime is 766953091. The next prime is 766953133. The reversal of 766953125 is 521359667.

It can be written as a sum of positive squares in 8 ways, for example, as 751088836 + 15864289 = 27406^2 + 3983^2 .

It is a de Polignac number, because none of the positive numbers 2^k-766953125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73217 + ... + 83033.

It is an arithmetic number, because the mean of its divisors is an integer number (59924163).

Almost surely, 2^766953125 is an apocalyptic number.

It is an amenable number.

766953125 is a deficient number, since it is larger than the sum of its proper divisors (191833483).

766953125 is an frugal number, since it uses more digits than its factorization.

766953125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9852 (or 9822 counting only the distinct ones).

The product of its digits is 340200, while the sum is 44.

The square root of 766953125 is about 27693.9185562462. The cubic root of 766953125 is about 915.3551031943.

The spelling of 766953125 in words is "seven hundred sixty-six million, nine hundred fifty-three thousand, one hundred twenty-five".