677996474287 has 12 divisors (see below), whose sum is σ = 751830816240. Its totient is φ = 610905901760.

The previous prime is 677996474249. The next prime is 677996474291. The reversal of 677996474287 is 782474699776.

It is not a de Polignac number, because 677996474287 - 2¹¹ = 677996472239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677996274287) 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, 24779587 + ... + 24806932.

It is an arithmetic number, because the mean of its divisors is an integer number (62652568020).

Almost surely, 2^677996474287 is an apocalyptic number.

677996474287 is a deficient number, since it is larger than the sum of its proper divisors (73834341953).

677996474287 is a wasteful number, since it uses less digits than its factorization.

677996474287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49586654 (or 49586643 counting only the distinct ones).

The product of its digits is 1792336896, while the sum is 76.

The spelling of 677996474287 in words is "six hundred seventy-seven billion, nine hundred ninety-six million, four hundred seventy-four thousand, two hundred eighty-seven".