77312220133162 has 16 divisors (see below), whose sum is σ = 132536262741120. Its totient is φ = 33133551571728.

The previous prime is 77312220133117. The next prime is 77312220133223. The reversal of 77312220133162 is 26133102221377.

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, 19546737 + ... + 23166772.

It is an arithmetic number, because the mean of its divisors is an integer number (8283516421320).

Almost surely, 2^{77312220133162} is an apocalyptic number.

77312220133162 is a deficient number, since it is larger than the sum of its proper divisors (55224042607958).

77312220133162 is a wasteful number, since it uses less digits than its factorization.

77312220133162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42842805.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 77312220133162 in words is "seventy-seven trillion, three hundred twelve billion, two hundred twenty million, one hundred thirty-three thousand, one hundred sixty-two".