678132967782 has 8 divisors (see below), whose sum is σ = 1356265935576. Its totient is φ = 226044322592.

The previous prime is 678132967769. The next prime is 678132967783. The reversal of 678132967782 is 287769231876.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

678132967782 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678132967783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56511080643 + ... + 56511080654.

It is an arithmetic number, because the mean of its divisors is an integer number (169533241947).

Almost surely, 2^678132967782 is an apocalyptic number.

678132967782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

678132967782 is a wasteful number, since it uses less digits than its factorization.

678132967782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113022161302.

The product of its digits is 85349376, while the sum is 66.

The spelling of 678132967782 in words is "six hundred seventy-eight billion, one hundred thirty-two million, nine hundred sixty-seven thousand, seven hundred eighty-two".