8425091671677 has 6 divisors (see below), whose sum is σ = 12169576859102. Its totient is φ = 5616727781112.

The previous prime is 8425091671603. The next prime is 8425091671679. The reversal of 8425091671677 is 7761761905248.

8425091671677 is a `hidden beast` number, since 8 + 4 + 2 + 509 + 1 + 67 + 1 + 67 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8204667055641 + 220424616036 = 2864379^2 + 469494^2 .

It is not a de Polignac number, because 8425091671677 - 2³² = 8420796704381 is a prime.

It is a super-2 number, since 2×8425091671677² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425091671679) 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, 468060648418 + ... + 468060648435.

Almost surely, 2^{8425091671677} is an apocalyptic number.

It is an amenable number.

8425091671677 is a deficient number, since it is larger than the sum of its proper divisors (3744485187425).

8425091671677 is a wasteful number, since it uses less digits than its factorization.

8425091671677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936121296859 (or 936121296856 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 8425091671677 in words is "eight trillion, four hundred twenty-five billion, ninety-one million, six hundred seventy-one thousand, six hundred seventy-seven".