7087638773647 has 2 divisors, whose sum is σ = 7087638773648. Its totient is φ = 7087638773646.

The previous prime is 7087638773617. The next prime is 7087638773701. The reversal of 7087638773647 is 7463778367807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7087638773647 - 2³¹ = 7085491289999 is a prime.

It is a super-3 number, since 3×7087638773647³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7087638773647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7087638773617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543819386823 + 3543819386824.

It is an arithmetic number, because the mean of its divisors is an integer number (3543819386824).

Almost surely, 2^{7087638773647} is an apocalyptic number.

7087638773647 is a deficient number, since it is larger than the sum of its proper divisors (1).

7087638773647 is an equidigital number, since it uses as much as digits as its factorization.

7087638773647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1394039808, while the sum is 73.

The spelling of 7087638773647 in words is "seven trillion, eighty-seven billion, six hundred thirty-eight million, seven hundred seventy-three thousand, six hundred forty-seven".