677964066471 has 12 divisors (see below), whose sum is σ = 1002055416648. Its totient is φ = 441464973264.

The previous prime is 677964066469. The next prime is 677964066473. The reversal of 677964066471 is 174660469776.

677964066471 is a `hidden beast` number, since 6 + 77 + 96 + 4 + 0 + 6 + 6 + 471 = 666.

It is an interprime number because it is at equal distance from previous prime (677964066469) and next prime (677964066473).

It is not a de Polignac number, because 677964066471 - 2¹ = 677964066469 is a prime.

It is a super-3 number, since 3×677964066471³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 677964066399 and 677964066408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677964066473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 875922180 + ... + 875922953.

It is an arithmetic number, because the mean of its divisors is an integer number (83504618054).

Almost surely, 2^677964066471 is an apocalyptic number.

677964066471 is a deficient number, since it is larger than the sum of its proper divisors (324091350177).

677964066471 is a wasteful number, since it uses less digits than its factorization.

677964066471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751845182 (or 1751845179 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 63.

The spelling of 677964066471 in words is "six hundred seventy-seven billion, nine hundred sixty-four million, sixty-six thousand, four hundred seventy-one".