7741867961 has 4 divisors (see below), whose sum is σ = 7785118800. Its totient is φ = 7698617124.

The previous prime is 7741867937. The next prime is 7741867979. The reversal of 7741867961 is 1697681477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7741867961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7741867897 and 7741867906.

It is not an unprimeable number, because it can be changed into a prime (7741867921) 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, 21625151 + ... + 21625508.

It is an arithmetic number, because the mean of its divisors is an integer number (1946279700).

Almost surely, 2^7741867961 is an apocalyptic number.

It is an amenable number.

7741867961 is a deficient number, since it is larger than the sum of its proper divisors (43250839).

7741867961 is a wasteful number, since it uses less digits than its factorization.

7741867961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43250838.

The product of its digits is 3556224, while the sum is 56.

The square root of 7741867961 is about 87987.8853081491. The cubic root of 7741867961 is about 1978.2533963899.

The spelling of 7741867961 in words is "seven billion, seven hundred forty-one million, eight hundred sixty-seven thousand, nine hundred sixty-one".