7740641567 has 4 divisors (see below), whose sum is σ = 7740940896. Its totient is φ = 7740342240.

The previous prime is 7740641537. The next prime is 7740641611. The reversal of 7740641567 is 7651460477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7651460477 = 277 ⋅27622601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7740641567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7740641537) 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 3 ways as a sum of consecutive naturals, for example, 106778 + ... + 163959.

It is an arithmetic number, because the mean of its divisors is an integer number (1935235224).

Almost surely, 2^7740641567 is an apocalyptic number.

7740641567 is a deficient number, since it is larger than the sum of its proper divisors (299329).

7740641567 is a wasteful number, since it uses less digits than its factorization.

7740641567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299328.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 7740641567 is about 87980.9159249891. The cubic root of 7740641567 is about 1978.1489321001.

The spelling of 7740641567 in words is "seven billion, seven hundred forty million, six hundred forty-one thousand, five hundred sixty-seven".