7806454097 has 4 divisors (see below), whose sum is σ = 8406950580. Its totient is φ = 7205957616.

The previous prime is 7806454093. The next prime is 7806454141. The reversal of 7806454097 is 7904546087.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5393286721 + 2413167376 = 73439^2 + 49124^2 .

It is not a de Polignac number, because 7806454097 - 2² = 7806454093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7806454093) 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, 300248222 + ... + 300248247.

It is an arithmetic number, because the mean of its divisors is an integer number (2101737645).

Almost surely, 2^7806454097 is an apocalyptic number.

It is an amenable number.

7806454097 is a deficient number, since it is larger than the sum of its proper divisors (600496483).

7806454097 is a wasteful number, since it uses less digits than its factorization.

7806454097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600496482.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 7806454097 is about 88354.1402368899. The cubic root of 7806454097 is about 1983.7393283178.

The spelling of 7806454097 in words is "seven billion, eight hundred six million, four hundred fifty-four thousand, ninety-seven".