877551166667 has 6 divisors (see below), whose sum is σ = 1020824826588. Its totient is φ = 752186714244.

The previous prime is 877551166559. The next prime is 877551166697. The reversal of 877551166667 is 766661155778.

It is not a de Polignac number, because 877551166667 - 2¹⁶ = 877551101131 is a prime.

It is a super-2 number, since 2×877551166667² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (877551166697) 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, 8954603693 + ... + 8954603790.

It is an arithmetic number, because the mean of its divisors is an integer number (170137471098).

Almost surely, 2^877551166667 is an apocalyptic number.

877551166667 is a deficient number, since it is larger than the sum of its proper divisors (143273659921).

877551166667 is a wasteful number, since it uses less digits than its factorization.

877551166667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17909207497 (or 17909207490 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 65.

The spelling of 877551166667 in words is "eight hundred seventy-seven billion, five hundred fifty-one million, one hundred sixty-six thousand, six hundred sixty-seven".