79354062589 has 2 divisors, whose sum is σ = 79354062590. Its totient is φ = 79354062588.

The previous prime is 79354062587. The next prime is 79354062661. The reversal of 79354062589 is 98526045397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52926683364 + 26427379225 = 230058^2 + 162565^2 .

It is a cyclic number.

It is not a de Polignac number, because 79354062589 - 2¹ = 79354062587 is a prime.

Together with 79354062587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79354062583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39677031294 + 39677031295.

It is an arithmetic number, because the mean of its divisors is an integer number (39677031295).

Almost surely, 2^79354062589 is an apocalyptic number.

It is an amenable number.

79354062589 is a deficient number, since it is larger than the sum of its proper divisors (1).

79354062589 is an equidigital number, since it uses as much as digits as its factorization.

79354062589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 79354062589 in words is "seventy-nine billion, three hundred fifty-four million, sixty-two thousand, five hundred eighty-nine".