77680028162 has 8 divisors (see below), whose sum is σ = 127112773392. Its totient is φ = 35309103700.

The previous prime is 77680028149. The next prime is 77680028189. The reversal of 77680028162 is 26182008677.

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

It is a super-2 number, since 2×77680028162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765455164 + ... + 1765455207.

It is an arithmetic number, because the mean of its divisors is an integer number (15889096674).

Almost surely, 2^77680028162 is an apocalyptic number.

77680028162 is a deficient number, since it is larger than the sum of its proper divisors (49432745230).

77680028162 is a wasteful number, since it uses less digits than its factorization.

77680028162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530910384.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 77680028162 in words is "seventy-seven billion, six hundred eighty million, twenty-eight thousand, one hundred sixty-two".