79956352568 has 8 divisors (see below), whose sum is σ = 149918161080. Its totient is φ = 39978176280.

The previous prime is 79956352493. The next prime is 79956352613. The reversal of 79956352568 is 86525365997.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4997272028 + ... + 4997272043.

It is an arithmetic number, because the mean of its divisors is an integer number (18739770135).

Almost surely, 2^79956352568 is an apocalyptic number.

It is an amenable number.

79956352568 is a deficient number, since it is larger than the sum of its proper divisors (69961808512).

79956352568 is a wasteful number, since it uses less digits than its factorization.

79956352568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994544077 (or 9994544073 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 65.

The spelling of 79956352568 in words is "seventy-nine billion, nine hundred fifty-six million, three hundred fifty-two thousand, five hundred sixty-eight".