77912832706 has 16 divisors (see below), whose sum is σ = 119695118400. Its totient is φ = 38016096048.

The previous prime is 77912832637. The next prime is 77912832727. The reversal of 77912832706 is 60723821977.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313086 + ... + 503833.

It is an arithmetic number, because the mean of its divisors is an integer number (7480944900).

Almost surely, 2^77912832706 is an apocalyptic number.

77912832706 is a deficient number, since it is larger than the sum of its proper divisors (41782285694).

77912832706 is a wasteful number, since it uses less digits than its factorization.

77912832706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818073.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 77912832706 in words is "seventy-seven billion, nine hundred twelve million, eight hundred thirty-two thousand, seven hundred six".