767677716 has 96 divisors (see below), whose sum is σ = 2236657920. Its totient is φ = 225929088.

The previous prime is 767677699. The next prime is 767677717. The reversal of 767677716 is 617776767.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767677717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20406 + ... + 44178.

It is an arithmetic number, because the mean of its divisors is an integer number (23298520).

Almost surely, 2^767677716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 767677716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118328960).

767677716 is an abundant number, since it is smaller than the sum of its proper divisors (1468980204).

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

767677716 is a wasteful number, since it uses less digits than its factorization.

767677716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23822 (or 23814 counting only the distinct ones).

The product of its digits is 3630312, while the sum is 54.

The square root of 767677716 is about 27706.9975998844. The cubic root of 767677716 is about 915.6432778267.

The spelling of 767677716 in words is "seven hundred sixty-seven million, six hundred seventy-seven thousand, seven hundred sixteen".