77541122 has 16 divisors (see below), whose sum is σ = 119767032. Its totient is φ = 37624320.

The previous prime is 77541103. The next prime is 77541143. The reversal of 77541122 is 22114577.

It can be written as a sum of positive squares in 4 ways, for example, as 77457601 + 83521 = 8801^2 + 289^2 .

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 7 ways as a sum of consecutive naturals, for example, 32978 + ... + 35250.

Almost surely, 2^77541122 is an apocalyptic number.

77541122 is a deficient number, since it is larger than the sum of its proper divisors (42225910).

77541122 is a wasteful number, since it uses less digits than its factorization.

77541122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773.

The product of its digits is 3920, while the sum is 29.

The square root of 77541122 is about 8805.7436937490. The cubic root of 77541122 is about 426.4263440187.

Adding to 77541122 its reverse (22114577), we get a palindrome (99655699).

The spelling of 77541122 in words is "seventy-seven million, five hundred forty-one thousand, one hundred twenty-two".