7893861241 has 12 divisors (see below), whose sum is σ = 9406624500. Its totient is φ = 6601136640.

The previous prime is 7893861229. The next prime is 7893861253. The reversal of 7893861241 is 1421683987.

It is an interprime number because it is at equal distance from previous prime (7893861229) and next prime (7893861253).

It can be written as a sum of positive squares in 2 ways, for example, as 3192702016 + 4701159225 = 56504^2 + 68565^2 .

It is not a de Polignac number, because 7893861241 - 2¹⁵ = 7893828473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (7893861271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962616 + ... + 1966633.

It is an arithmetic number, because the mean of its divisors is an integer number (783885375).

Almost surely, 2^7893861241 is an apocalyptic number.

It is an amenable number.

7893861241 is a deficient number, since it is larger than the sum of its proper divisors (1512763259).

7893861241 is a wasteful number, since it uses less digits than its factorization.

7893861241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929304 (or 3929297 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 7893861241 is about 88847.4042445811. The cubic root of 7893861241 is about 1991.1156964288.

The spelling of 7893861241 in words is "seven billion, eight hundred ninety-three million, eight hundred sixty-one thousand, two hundred forty-one".