7780707774441 has 48 divisors (see below), whose sum is σ = 13453754535936. Its totient is φ = 4236638633568.

The previous prime is 7780707774431. The next prime is 7780707774457. The reversal of 7780707774441 is 1444777070877.

It is not a de Polignac number, because 7780707774441 - 2⁷ = 7780707774313 is a prime.

It is a super-3 number, since 3×7780707774441³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (7780707774431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9827485 + ... + 10589658.

It is an arithmetic number, because the mean of its divisors is an integer number (280286552832).

Almost surely, 2^{7780707774441} is an apocalyptic number.

It is an amenable number.

7780707774441 is a deficient number, since it is larger than the sum of its proper divisors (5673046761495).

7780707774441 is a wasteful number, since it uses less digits than its factorization.

7780707774441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20417442 (or 20417439 counting only the distinct ones).

The product of its (nonzero) digits is 60236288, while the sum is 63.

The spelling of 7780707774441 in words is "seven trillion, seven hundred eighty billion, seven hundred seven million, seven hundred seventy-four thousand, four hundred forty-one".