3078520117 has 2 divisors, whose sum is σ = 3078520118. Its totient is φ = 3078520116.

The previous prime is 3078520099. The next prime is 3078520127. The reversal of 3078520117 is 7110258703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3072595761 + 5924356 = 55431^2 + 2434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3078520117 is a prime.

It is a super-2 number, since 2×3078520117² = 18954572221547387378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3078520127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539260058 + 1539260059.

It is an arithmetic number, because the mean of its divisors is an integer number (1539260059).

Almost surely, 2^3078520117 is an apocalyptic number.

It is an amenable number.

3078520117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3078520117 is an equidigital number, since it uses as much as digits as its factorization.

3078520117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 3078520117 is about 55484.4132797671. The cubic root of 3078520117 is about 1454.7242057460.

The spelling of 3078520117 in words is "three billion, seventy-eight million, five hundred twenty thousand, one hundred seventeen".