7770404041 has 4 divisors (see below), whose sum is σ = 7917015492. Its totient is φ = 7623792592.

The previous prime is 7770404039. The next prime is 7770404063. The reversal of 7770404041 is 1404040777.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6838628416 + 931775625 = 82696^2 + 30525^2 .

It is a cyclic number.

It is not a de Polignac number, because 7770404041 - 2¹ = 7770404039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7770403988 and 7770404006.

It is not an unprimeable number, because it can be changed into a prime (7770404011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73305646 + ... + 73305751.

It is an arithmetic number, because the mean of its divisors is an integer number (1979253873).

Almost surely, 2^7770404041 is an apocalyptic number.

It is an amenable number.

7770404041 is a deficient number, since it is larger than the sum of its proper divisors (146611451).

7770404041 is a wasteful number, since it uses less digits than its factorization.

7770404041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146611450.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 7770404041 is about 88149.8952977257. The cubic root of 7770404041 is about 1980.6809922462.

The spelling of 7770404041 in words is "seven billion, seven hundred seventy million, four hundred four thousand, forty-one".