767947164 has 12 divisors (see below), whose sum is σ = 1791876744. Its totient is φ = 255982384.

The previous prime is 767947163. The next prime is 767947181. The reversal of 767947164 is 461749767.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767947163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31997787 + ... + 31997810.

It is an arithmetic number, because the mean of its divisors is an integer number (149323062).

Almost surely, 2^767947164 is an apocalyptic number.

It is an amenable number.

767947164 is an abundant number, since it is smaller than the sum of its proper divisors (1023929580).

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

767947164 is a wasteful number, since it uses less digits than its factorization.

767947164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63995604 (or 63995602 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The square root of 767947164 is about 27711.8596272426. The cubic root of 767947164 is about 915.7503928243.

The spelling of 767947164 in words is "seven hundred sixty-seven million, nine hundred forty-seven thousand, one hundred sixty-four".