7811680003 has 8 divisors (see below), whose sum is σ = 8152386048. Its totient is φ = 7471062984.

The previous prime is 7811679991. The next prime is 7811680057. The reversal of 7811680003 is 3000861187.

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 7811680003 - 2¹³ = 7811671811 is a prime.

It is a super-2 number, since 2×7811680003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7811680603) 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, 207750 + ... + 242452.

It is an arithmetic number, because the mean of its divisors is an integer number (1019048256).

Almost surely, 2^7811680003 is an apocalyptic number.

7811680003 is a deficient number, since it is larger than the sum of its proper divisors (340706045).

7811680003 is a wasteful number, since it uses less digits than its factorization.

7811680003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44513.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 7811680003 is about 88383.7089230815. The cubic root of 7811680003 is about 1984.1818904459.

The spelling of 7811680003 in words is "seven billion, eight hundred eleven million, six hundred eighty thousand, three".