76899844889 has 8 divisors (see below), whose sum is σ = 88873015680. Its totient is φ = 65173543776.

The previous prime is 76899844849. The next prime is 76899844933. The reversal of 76899844889 is 98844899867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76899844889 - 2¹⁶ = 76899779353 is a prime.

It is a super-2 number, since 2×76899844889² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76899844849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61716749 + ... + 61717994.

It is an arithmetic number, because the mean of its divisors is an integer number (11109126960).

Almost surely, 2^76899844889 is an apocalyptic number.

It is an amenable number.

76899844889 is a deficient number, since it is larger than the sum of its proper divisors (11973170791).

76899844889 is a wasteful number, since it uses less digits than its factorization.

76899844889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123434839.

The product of its digits is 2006581248, while the sum is 80.

The spelling of 76899844889 in words is "seventy-six billion, eight hundred ninety-nine million, eight hundred forty-four thousand, eight hundred eighty-nine".