677521535163 has 16 divisors (see below), whose sum is σ = 985578854016. Its totient is φ = 410580368640.

The previous prime is 677521535149. The next prime is 677521535261. The reversal of 677521535163 is 361535125776.

It is not a de Polignac number, because 677521535163 - 2³⁶ = 608802058427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677521531163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611581 + ... + 1314942.

It is an arithmetic number, because the mean of its divisors is an integer number (61598678376).

Almost surely, 2^677521535163 is an apocalyptic number.

677521535163 is a deficient number, since it is larger than the sum of its proper divisors (308057318853).

677521535163 is a wasteful number, since it uses less digits than its factorization.

677521535163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937194.

The product of its digits is 3969000, while the sum is 51.

The spelling of 677521535163 in words is "six hundred seventy-seven billion, five hundred twenty-one million, five hundred thirty-five thousand, one hundred sixty-three".