7896428575766 has 4 divisors (see below), whose sum is σ = 11844642863652. Its totient is φ = 3948214287882.

The previous prime is 7896428575757. The next prime is 7896428575787. The reversal of 7896428575766 is 6675758246987.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974107143940 + ... + 1974107143943.

It is an arithmetic number, because the mean of its divisors is an integer number (2961160715913).

Almost surely, 2^{7896428575766} is an apocalyptic number.

7896428575766 is a deficient number, since it is larger than the sum of its proper divisors (3948214287886).

7896428575766 is a wasteful number, since it uses less digits than its factorization.

7896428575766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948214287885.

The product of its digits is 8534937600, while the sum is 80.

The spelling of 7896428575766 in words is "seven trillion, eight hundred ninety-six billion, four hundred twenty-eight million, five hundred seventy-five thousand, seven hundred sixty-six".