76075904869 has 4 divisors (see below), whose sum is σ = 78132010444. Its totient is φ = 74019799296.

The previous prime is 76075904837. The next prime is 76075904911. The reversal of 76075904869 is 96840957067.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96840957067 = 127 ⋅762527221.

It can be written as a sum of positive squares in 2 ways, for example, as 29820799969 + 46255104900 = 172687^2 + 215070^2 .

It is a cyclic number.

It is not a de Polignac number, because 76075904869 - 2⁵ = 76075904837 is a prime.

It is a super-2 number, since 2×76075904869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76075904369) 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, 1028052732 + ... + 1028052805.

It is an arithmetic number, because the mean of its divisors is an integer number (19533002611).

Almost surely, 2^76075904869 is an apocalyptic number.

It is an amenable number.

76075904869 is a deficient number, since it is larger than the sum of its proper divisors (2056105575).

76075904869 is a wasteful number, since it uses less digits than its factorization.

76075904869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056105574.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 76075904869 in words is "seventy-six billion, seventy-five million, nine hundred four thousand, eight hundred sixty-nine".