7997520092799 has 4 divisors (see below), whose sum is σ = 10663360123736. Its totient is φ = 5331680061864.

The previous prime is 7997520092777. The next prime is 7997520092873. The reversal of 7997520092799 is 9972900257997.

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

It is not a de Polignac number, because 7997520092799 - 2⁷ = 7997520092671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7997520092799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997520090799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332920015464 + ... + 1332920015469.

It is an arithmetic number, because the mean of its divisors is an integer number (2665840030934).

Almost surely, 2^{7997520092799} is an apocalyptic number.

7997520092799 is a deficient number, since it is larger than the sum of its proper divisors (2665840030937).

7997520092799 is a wasteful number, since it uses less digits than its factorization.

7997520092799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665840030936.

The product of its (nonzero) digits is 405076140, while the sum is 75.

The spelling of 7997520092799 in words is "seven trillion, nine hundred ninety-seven billion, five hundred twenty million, ninety-two thousand, seven hundred ninety-nine".