7628759220766 has 16 divisors (see below), whose sum is σ = 12344873414544. Its totient is φ = 3522268407424.

The previous prime is 7628759220727. The next prime is 7628759220767. The reversal of 7628759220766 is 6670229578267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628759220767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116746040 + ... + 2116749643.

It is an arithmetic number, because the mean of its divisors is an integer number (771554588409).

Almost surely, 2^{7628759220766} is an apocalyptic number.

7628759220766 is a deficient number, since it is larger than the sum of its proper divisors (4716114193778).

7628759220766 is a wasteful number, since it uses less digits than its factorization.

7628759220766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233495755.

The product of its (nonzero) digits is 213373440, while the sum is 67.

The spelling of 7628759220766 in words is "seven trillion, six hundred twenty-eight billion, seven hundred fifty-nine million, two hundred twenty thousand, seven hundred sixty-six".