97015155239 has 2 divisors, whose sum is σ = 97015155240. Its totient is φ = 97015155238.

The previous prime is 97015155199. The next prime is 97015155253. The reversal of 97015155239 is 93255151079.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97015155239 - 2²⁴ = 96998378023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97015155193 and 97015155202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97095155239) 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, 48507577619 + 48507577620.

It is an arithmetic number, because the mean of its divisors is an integer number (48507577620).

Almost surely, 2^97015155239 is an apocalyptic number.

97015155239 is a deficient number, since it is larger than the sum of its proper divisors (1).

97015155239 is an equidigital number, since it uses as much as digits as its factorization.

97015155239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250, while the sum is 47.

The spelling of 97015155239 in words is "ninety-seven billion, fifteen million, one hundred fifty-five thousand, two hundred thirty-nine".