7990000755 has 16 divisors (see below), whose sum is σ = 13946183424. Its totient is φ = 3873939680.

The previous prime is 7990000741. The next prime is 7990000763. The reversal of 7990000755 is 5570000997.

It is a happy number.

It is not a de Polignac number, because 7990000755 - 2⁹ = 7990000243 is a prime.

It is a super-2 number, since 2×7990000755² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24211959 + ... + 24212288.

It is an arithmetic number, because the mean of its divisors is an integer number (871636464).

Almost surely, 2^7990000755 is an apocalyptic number.

7990000755 is a deficient number, since it is larger than the sum of its proper divisors (5956182669).

7990000755 is a wasteful number, since it uses less digits than its factorization.

7990000755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48424266.

The product of its (nonzero) digits is 99225, while the sum is 42.

The square root of 7990000755 is about 89386.8041435647. The cubic root of 7990000755 is about 1999.1663821723.

The spelling of 7990000755 in words is "seven billion, nine hundred ninety million, seven hundred fifty-five", and thus it is an aban number.