7661673125027 has 4 divisors (see below), whose sum is σ = 7661808305856. Its totient is φ = 7661537944200.

The previous prime is 7661673125009. The next prime is 7661673125077. The reversal of 7661673125027 is 7205213761667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7661673125027 - 2⁸ = 7661673124771 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 7661673125027.

It is not an unprimeable number, because it can be changed into a prime (7661673125077) 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, 67505363 + ... + 67618764.

It is an arithmetic number, because the mean of its divisors is an integer number (1915452076464).

Almost surely, 2^{7661673125027} is an apocalyptic number.

7661673125027 is a deficient number, since it is larger than the sum of its proper divisors (135180829).

7661673125027 is a wasteful number, since it uses less digits than its factorization.

7661673125027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135180828.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 7661673125027 in words is "seven trillion, six hundred sixty-one billion, six hundred seventy-three million, one hundred twenty-five thousand, twenty-seven".