7997019755 has 8 divisors (see below), whose sum is σ = 9597889392. Its totient is φ = 6396638688.

The previous prime is 7997019743. The next prime is 7997019761. The reversal of 7997019755 is 5579107997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7997019755 - 2²⁴ = 7980242539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7997019694 and 7997019703.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85109 + ... + 152438.

It is an arithmetic number, because the mean of its divisors is an integer number (1199736174).

Almost surely, 2^7997019755 is an apocalyptic number.

7997019755 is a deficient number, since it is larger than the sum of its proper divisors (1600869637).

7997019755 is a wasteful number, since it uses less digits than its factorization.

7997019755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244285.

The product of its (nonzero) digits is 6251175, while the sum is 59.

The square root of 7997019755 is about 89426.0574720814. The cubic root of 7997019755 is about 1999.7516154038.

The spelling of 7997019755 in words is "seven billion, nine hundred ninety-seven million, nineteen thousand, seven hundred fifty-five".