79354062657 has 6 divisors (see below), whose sum is σ = 114622534962. Its totient is φ = 52902708432.

The previous prime is 79354062589. The next prime is 79354062661. The reversal of 79354062657 is 75626045397.

79354062657 is a `hidden beast` number, since 7 + 9 + 3 + 5 + 4 + 0 + 626 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47799514161 + 31554548496 = 218631^2 + 177636^2 .

It is not a de Polignac number, because 79354062657 - 2¹¹ = 79354060609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79354012657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4408559028 + ... + 4408559045.

It is an arithmetic number, because the mean of its divisors is an integer number (19103755827).

Almost surely, 2^79354062657 is an apocalyptic number.

It is an amenable number.

79354062657 is a deficient number, since it is larger than the sum of its proper divisors (35268472305).

79354062657 is a wasteful number, since it uses less digits than its factorization.

79354062657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817118079 (or 8817118076 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 79354062657 in words is "seventy-nine billion, three hundred fifty-four million, sixty-two thousand, six hundred fifty-seven".