7689180091 has 6 divisors (see below), whose sum is σ = 8094276140. Its totient is φ = 7284124296.

The previous prime is 7689180073. The next prime is 7689180101. The reversal of 7689180091 is 1900819867.

It is not a de Polignac number, because 7689180091 - 2¹³ = 7689171899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7689180011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372165 + ... + 392281.

Almost surely, 2^7689180091 is an apocalyptic number.

7689180091 is a deficient number, since it is larger than the sum of its proper divisors (405096049).

7689180091 is an frugal number, since it uses more digits than its factorization.

7689180091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40253 (or 20136 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 7689180091 is about 87687.9700472077. The cubic root of 7689180091 is about 1973.7554593435.

The spelling of 7689180091 in words is "seven billion, six hundred eighty-nine million, one hundred eighty thousand, ninety-one".