677192940243 has 32 divisors (see below), whose sum is σ = 1057694265600. Its totient is φ = 427035431808.

The previous prime is 677192940233. The next prime is 677192940289. The reversal of 677192940243 is 342049291776.

677192940243 is a `hidden beast` number, since 6 + 7 + 7 + 192 + 9 + 402 + 43 = 666.

It is not a de Polignac number, because 677192940243 - 2¹³ = 677192932051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677192940243.

It is not an unprimeable number, because it can be changed into a prime (677192940233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696630 + ... + 1356347.

It is an arithmetic number, because the mean of its divisors is an integer number (33052945800).

Almost surely, 2^677192940243 is an apocalyptic number.

677192940243 is a deficient number, since it is larger than the sum of its proper divisors (380501325357).

677192940243 is a wasteful number, since it uses less digits than its factorization.

677192940243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053648 (or 2053642 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 677192940243 in words is "six hundred seventy-seven billion, one hundred ninety-two million, nine hundred forty thousand, two hundred forty-three".