7750996545 has 16 divisors (see below), whose sum is σ = 12420429120. Its totient is φ = 4127586624.

The previous prime is 7750996543. The next prime is 7750996571. The reversal of 7750996545 is 5456990577.

It is not a de Polignac number, because 7750996545 - 2¹ = 7750996543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7750996543) 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 15 ways as a sum of consecutive naturals, for example, 382174 + ... + 401943.

It is an arithmetic number, because the mean of its divisors is an integer number (776276820).

Almost surely, 2^7750996545 is an apocalyptic number.

It is an amenable number.

7750996545 is a deficient number, since it is larger than the sum of its proper divisors (4669432575).

7750996545 is a wasteful number, since it uses less digits than its factorization.

7750996545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784784.

The product of its (nonzero) digits is 11907000, while the sum is 57.

The square root of 7750996545 is about 88039.7441216182. The cubic root of 7750996545 is about 1979.0306230778.

The spelling of 7750996545 in words is "seven billion, seven hundred fifty million, nine hundred ninety-six thousand, five hundred forty-five".