77446672922 has 16 divisors (see below), whose sum is σ = 119340589032. Its totient is φ = 37671828480.

The previous prime is 77446672909. The next prime is 77446672937. The reversal of 77446672922 is 22927664477.

It can be written as a sum of positive squares in 4 ways, for example, as 35884103761 + 41562569161 = 189431^2 + 203869^2 .

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, 1308833 + ... + 1366724.

Almost surely, 2^77446672922 is an apocalyptic number.

77446672922 is a deficient number, since it is larger than the sum of its proper divisors (41893916110).

77446672922 is a wasteful number, since it uses less digits than its factorization.

77446672922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675953.

The product of its digits is 14224896, while the sum is 56.

The spelling of 77446672922 in words is "seventy-seven billion, four hundred forty-six million, six hundred seventy-two thousand, nine hundred twenty-two".