7970027381 has 2 divisors, whose sum is σ = 7970027382. Its totient is φ = 7970027380.

The previous prime is 7970027369. The next prime is 7970027389. The reversal of 7970027381 is 1837200797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7552479025 + 417548356 = 86905^2 + 20434^2 .

It is a cyclic number.

It is not a de Polignac number, because 7970027381 - 2¹⁰ = 7970026357 is a prime.

It is a super-2 number, since 2×7970027381² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7970027389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3985013690 + 3985013691.

It is an arithmetic number, because the mean of its divisors is an integer number (3985013691).

Almost surely, 2^7970027381 is an apocalyptic number.

7970027381 is the 47720-th centered heptagonal number.

It is an amenable number.

7970027381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7970027381 is an equidigital number, since it uses as much as digits as its factorization.

7970027381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 7970027381 is about 89275.0098347796. The cubic root of 7970027381 is about 1997.4991559429.

The spelling of 7970027381 in words is "seven billion, nine hundred seventy million, twenty-seven thousand, three hundred eighty-one".