7661667007627 has 4 divisors (see below), whose sum is σ = 7661680734600. Its totient is φ = 7661653280656.

The previous prime is 7661667007609. The next prime is 7661667007717. The reversal of 7661667007627 is 7267007661667.

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 7661667007627 - 2³¹ = 7659519523979 is a prime.

It is a super-2 number, since 2×7661667007627² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7661667007727) 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, 5989138 + ... + 7154935.

It is an arithmetic number, because the mean of its divisors is an integer number (1915420183650).

Almost surely, 2^{7661667007627} is an apocalyptic number.

7661667007627 is a deficient number, since it is larger than the sum of its proper divisors (13726973).

7661667007627 is a wasteful number, since it uses less digits than its factorization.

7661667007627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726972.

The product of its (nonzero) digits is 37340352, while the sum is 61.

The spelling of 7661667007627 in words is "seven trillion, six hundred sixty-one billion, six hundred sixty-seven million, seven thousand, six hundred twenty-seven".