77308123162 has 16 divisors (see below), whose sum is σ = 117123489000. Its totient is φ = 38267046400.

The previous prime is 77308123157. The next prime is 77308123171. The reversal of 77308123162 is 26132180377.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77234523921 + 73599241 = 277911^2 + 8579^2 .

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, 2523714 + ... + 2554162.

Almost surely, 2^77308123162 is an apocalyptic number.

77308123162 is a deficient number, since it is larger than the sum of its proper divisors (39815365838).

77308123162 is a wasteful number, since it uses less digits than its factorization.

77308123162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43121.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 77308123162 in words is "seventy-seven billion, three hundred eight million, one hundred twenty-three thousand, one hundred sixty-two".