8049098861 has 4 divisors (see below), whose sum is σ = 8124324192. Its totient is φ = 7973873532.

The previous prime is 8049098821. The next prime is 8049098879. The reversal of 8049098861 is 1688909408.

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 8049098861 - 2²⁶ = 7981989997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049098821) 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, 37612505 + ... + 37612718.

It is an arithmetic number, because the mean of its divisors is an integer number (2031081048).

Almost surely, 2^8049098861 is an apocalyptic number.

It is an amenable number.

8049098861 is a deficient number, since it is larger than the sum of its proper divisors (75225331).

8049098861 is a wasteful number, since it uses less digits than its factorization.

8049098861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75225330.

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 8049098861 is about 89716.7702327720. The cubic root of 8049098861 is about 2004.0832296944.

The spelling of 8049098861 in words is "eight billion, forty-nine million, ninety-eight thousand, eight hundred sixty-one".