7752891113 has 4 divisors (see below), whose sum is σ = 8457699408. Its totient is φ = 7048082820.

The previous prime is 7752891073. The next prime is 7752891173. The reversal of 7752891113 is 3111982577.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7752891113 - 2⁶ = 7752891049 is a prime.

It is a super-2 number, since 2×7752891113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7752891173) 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, 352404131 + ... + 352404152.

It is an arithmetic number, because the mean of its divisors is an integer number (2114424852).

Almost surely, 2^7752891113 is an apocalyptic number.

It is an amenable number.

7752891113 is a deficient number, since it is larger than the sum of its proper divisors (704808295).

7752891113 is a wasteful number, since it uses less digits than its factorization.

7752891113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704808294.

The product of its digits is 105840, while the sum is 44.

The square root of 7752891113 is about 88050.5031956093. The cubic root of 7752891113 is about 1979.1918540723.

The spelling of 7752891113 in words is "seven billion, seven hundred fifty-two million, eight hundred ninety-one thousand, one hundred thirteen".