7941045577 has 4 divisors (see below), whose sum is σ = 7944623236. Its totient is φ = 7937467920.

The previous prime is 7941045569. The next prime is 7941045613. The reversal of 7941045577 is 7755401497.

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 5137448976 + 2803596601 = 71676^2 + 52949^2 .

It is a cyclic number.

It is not a de Polignac number, because 7941045577 - 2³ = 7941045569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7941045577.

It is not an unprimeable number, because it can be changed into a prime (7941045547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785498 + ... + 1789939.

It is an arithmetic number, because the mean of its divisors is an integer number (1986155809).

Almost surely, 2^7941045577 is an apocalyptic number.

It is an amenable number.

7941045577 is a deficient number, since it is larger than the sum of its proper divisors (3577659).

7941045577 is a wasteful number, since it uses less digits than its factorization.

7941045577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577658.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The square root of 7941045577 is about 89112.5444424072. The cubic root of 7941045577 is about 1995.0750136261.

The spelling of 7941045577 in words is "seven billion, nine hundred forty-one million, forty-five thousand, five hundred seventy-seven".