7813000007 has 8 divisors (see below), whose sum is σ = 7892245920. Its totient is φ = 7733819520.

The previous prime is 7813000003. The next prime is 7813000033. The reversal of 7813000007 is 7000003187.

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 7813000007 - 2² = 7813000003 is a prime.

It is a super-2 number, since 2×7813000007² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7813000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7813000001) 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, 244619 + ... + 274707.

It is an arithmetic number, because the mean of its divisors is an integer number (986530740).

Almost surely, 2^7813000007 is an apocalyptic number.

7813000007 is a deficient number, since it is larger than the sum of its proper divisors (79245913).

7813000007 is a wasteful number, since it uses less digits than its factorization.

7813000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32713.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 7813000007 is about 88391.1760697865. The cubic root of 7813000007 is about 1984.2936453446.

The spelling of 7813000007 in words is "seven billion, eight hundred thirteen million, seven", and thus it is an aban number.