76779606742 has 8 divisors (see below), whose sum is σ = 115171185456. Its totient is φ = 38389211592.

The previous prime is 76779606719. The next prime is 76779606751. The reversal of 76779606742 is 24760697767.

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

It is a super-2 number, since 2×76779606742² (a number of 23 digits) contains 22 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110473 + ... + 407140.

It is an arithmetic number, because the mean of its divisors is an integer number (14396398182).

Almost surely, 2^76779606742 is an apocalyptic number.

76779606742 is a deficient number, since it is larger than the sum of its proper divisors (38391578714).

76779606742 is a wasteful number, since it uses less digits than its factorization.

76779606742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591782.

The product of its (nonzero) digits is 37340352, while the sum is 61.

The spelling of 76779606742 in words is "seventy-six billion, seven hundred seventy-nine million, six hundred six thousand, seven hundred forty-two".