7500985885 has 4 divisors (see below), whose sum is σ = 9001183068. Its totient is φ = 6000788704.

The previous prime is 7500985879. The next prime is 7500985901. The reversal of 7500985885 is 5885890057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5885890057 = 127 ⋅46345591.

It can be written as a sum of positive squares in 2 ways, for example, as 1141561369 + 6359424516 = 33787^2 + 79746^2 .

It is a cyclic number.

It is not a de Polignac number, because 7500985885 - 2⁷ = 7500985757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750098584 + ... + 750098593.

It is an arithmetic number, because the mean of its divisors is an integer number (2250295767).

Almost surely, 2^7500985885 is an apocalyptic number.

It is an amenable number.

7500985885 is a deficient number, since it is larger than the sum of its proper divisors (1500197183).

7500985885 is a wasteful number, since it uses less digits than its factorization.

7500985885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500197182.

The product of its (nonzero) digits is 4032000, while the sum is 55.

The square root of 7500985885 is about 86608.2322011020. The cubic root of 7500985885 is about 1957.5195859218.

The spelling of 7500985885 in words is "seven billion, five hundred million, nine hundred eighty-five thousand, eight hundred eighty-five".