77389320082 has 16 divisors (see below), whose sum is σ = 122917969152. Its totient is φ = 36416868160.

The previous prime is 77389320077. The next prime is 77389320097. The reversal of 77389320082 is 28002398377.

It is a super-3 number, since 3×77389320082³ (a number of 34 digits) contains 333 as substring.

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, 1079907 + ... + 1149337.

It is an arithmetic number, because the mean of its divisors is an integer number (7682373072).

Almost surely, 2^77389320082 is an apocalyptic number.

77389320082 is a deficient number, since it is larger than the sum of its proper divisors (45528649070).

77389320082 is a wasteful number, since it uses less digits than its factorization.

77389320082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102233.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 77389320082 in words is "seventy-seven billion, three hundred eighty-nine million, three hundred twenty thousand, eighty-two".