766064766 has 32 divisors (see below), whose sum is σ = 1550135808. Its totient is φ = 252364320.

The previous prime is 766064731. The next prime is 766064833. The reversal of 766064766 is 667460667.

It is a super-3 number, since 3×766064766³ (a number of 28 digits) contains 333 as substring.

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, 417471 + ... + 419301.

It is an arithmetic number, because the mean of its divisors is an integer number (48441744).

Almost surely, 2^766064766 is an apocalyptic number.

766064766 is an abundant number, since it is smaller than the sum of its proper divisors (784071042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766064766 is a wasteful number, since it uses less digits than its factorization.

766064766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The square root of 766064766 is about 27677.8750268152. The cubic root of 766064766 is about 915.0015491628.

The spelling of 766064766 in words is "seven hundred sixty-six million, sixty-four thousand, seven hundred sixty-six".