7970745799 has 4 divisors (see below), whose sum is σ = 7972552336. Its totient is φ = 7968939264.

The previous prime is 7970745773. The next prime is 7970745821. The reversal of 7970745799 is 9975470797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9975470797 = 631 ⋅15808987.

It is a cyclic number.

It is not a de Polignac number, because 7970745799 - 2⁵ = 7970745767 is a prime.

It is a super-2 number, since 2×7970745799² (a number of 21 digits) contains 22 as substring.

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 7970745799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7970745719) 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, 896634 + ... + 905479.

It is an arithmetic number, because the mean of its divisors is an integer number (1993138084).

Almost surely, 2^7970745799 is an apocalyptic number.

7970745799 is a deficient number, since it is larger than the sum of its proper divisors (1806537).

7970745799 is a wasteful number, since it uses less digits than its factorization.

7970745799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806536.

The product of its (nonzero) digits is 35006580, while the sum is 64.

The square root of 7970745799 is about 89279.0333673030. The cubic root of 7970745799 is about 1997.5591723086.

The spelling of 7970745799 in words is "seven billion, nine hundred seventy million, seven hundred forty-five thousand, seven hundred ninety-nine".