79016454374437 has 2 divisors, whose sum is σ = 79016454374438. Its totient is φ = 79016454374436.

The previous prime is 79016454374323. The next prime is 79016454374467. The reversal of 79016454374437 is 73447345461097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41240016141921 + 37776438232516 = 6421839^2 + 6146254^2 .

It is a cyclic number.

It is not a de Polignac number, because 79016454374437 - 2⁷ = 79016454374309 is a prime.

It is a super-2 number, since 2×79016454374437² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79016454374467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39508227187218 + 39508227187219.

It is an arithmetic number, because the mean of its divisors is an integer number (39508227187219).

Almost surely, 2^{79016454374437} is an apocalyptic number.

It is an amenable number.

79016454374437 is a deficient number, since it is larger than the sum of its proper divisors (1).

79016454374437 is an equidigital number, since it uses as much as digits as its factorization.

79016454374437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 213373440, while the sum is 64.

The spelling of 79016454374437 in words is "seventy-nine trillion, sixteen billion, four hundred fifty-four million, three hundred seventy-four thousand, four hundred thirty-seven".