7791863041 has 4 divisors (see below), whose sum is σ = 8002453972. Its totient is φ = 7581272112.

The previous prime is 7791862957. The next prime is 7791863063. The reversal of 7791863041 is 1403681977.

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 4228250625 + 3563612416 = 65025^2 + 59696^2 .

It is a cyclic number.

It is not a de Polignac number, because 7791863041 - 2²¹ = 7789765889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7791862982 and 7791863000.

It is not an unprimeable number, because it can be changed into a prime (7791963041) 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, 105295410 + ... + 105295483.

It is an arithmetic number, because the mean of its divisors is an integer number (2000613493).

Almost surely, 2^7791863041 is an apocalyptic number.

It is an amenable number.

7791863041 is a deficient number, since it is larger than the sum of its proper divisors (210590931).

7791863041 is a wasteful number, since it uses less digits than its factorization.

7791863041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210590930.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 7791863041 is about 88271.5301838594. The cubic root of 7791863041 is about 1982.5026206893.

The spelling of 7791863041 in words is "seven billion, seven hundred ninety-one million, eight hundred sixty-three thousand, forty-one".