2978614117 has 2 divisors, whose sum is σ = 2978614118. Its totient is φ = 2978614116.

The previous prime is 2978614091. The next prime is 2978614147. The reversal of 2978614117 is 7114168792.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2410220836 + 568393281 = 49094^2 + 23841^2 .

It is a cyclic number.

It is not a de Polignac number, because 2978614117 - 2¹⁵ = 2978581349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978614147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489307058 + 1489307059.

It is an arithmetic number, because the mean of its divisors is an integer number (1489307059).

Almost surely, 2^2978614117 is an apocalyptic number.

It is an amenable number.

2978614117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978614117 is an equidigital number, since it uses as much as digits as its factorization.

2978614117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 46.

The square root of 2978614117 is about 54576.6810735134. The cubic root of 2978614117 is about 1438.8143076975.

The spelling of 2978614117 in words is "two billion, nine hundred seventy-eight million, six hundred fourteen thousand, one hundred seventeen".