7157215027 has 2 divisors, whose sum is σ = 7157215028. Its totient is φ = 7157215026.

The previous prime is 7157215019. The next prime is 7157215031. The reversal of 7157215027 is 7205127517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7157215027 - 2³ = 7157215019 is a prime.

It is a super-2 number, since 2×7157215027² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7157215057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578607513 + 3578607514.

It is an arithmetic number, because the mean of its divisors is an integer number (3578607514).

Almost surely, 2^7157215027 is an apocalyptic number.

7157215027 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157215027 is an equidigital number, since it uses as much as digits as its factorization.

7157215027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34300, while the sum is 37.

The square root of 7157215027 is about 84600.3252180510. The cubic root of 7157215027 is about 1927.1463125802.

The spelling of 7157215027 in words is "seven billion, one hundred fifty-seven million, two hundred fifteen thousand, twenty-seven".