7461777122 has 18 divisors (see below), whose sum is σ = 11893096803. Its totient is φ = 3510447232.

The previous prime is 7461777121. The next prime is 7461777131. The reversal of 7461777122 is 2217771647.

7461777122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 4536157201 + 2925619921 = 67351^2 + 54089^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61081.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7461777121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2074958 + ... + 2078550.

Almost surely, 2^7461777122 is an apocalyptic number.

7461777122 is a deficient number, since it is larger than the sum of its proper divisors (4431319681).

7461777122 is an frugal number, since it uses more digits than its factorization.

7461777122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222 (or 3612 counting only the distinct ones).

The product of its digits is 230496, while the sum is 44.

The square root of 7461777122 is about 86381.5786033110. The cubic root of 7461777122 is about 1954.1028776109.

The spelling of 7461777122 in words is "seven billion, four hundred sixty-one million, seven hundred seventy-seven thousand, one hundred twenty-two".