7920842601 has 24 divisors (see below), whose sum is σ = 12288982944. Its totient is φ = 4524871680.

The previous prime is 7920842597. The next prime is 7920842609. The reversal of 7920842601 is 1062480297.

It is not a de Polignac number, because 7920842601 - 2² = 7920842597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7920842601.

It is not an unprimeable number, because it can be changed into a prime (7920842609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731241 + ... + 741993.

It is an arithmetic number, because the mean of its divisors is an integer number (512040956).

Almost surely, 2^7920842601 is an apocalyptic number.

It is an amenable number.

7920842601 is a deficient number, since it is larger than the sum of its proper divisors (4368140343).

7920842601 is a wasteful number, since it uses less digits than its factorization.

7920842601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15781 (or 15774 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 7920842601 is about 88999.1157315622. The cubic root of 7920842601 is about 1993.3816731161.

The spelling of 7920842601 in words is "seven billion, nine hundred twenty million, eight hundred forty-two thousand, six hundred one".