677625261 has 16 divisors (see below), whose sum is σ = 933683520. Its totient is φ = 436867200.

The previous prime is 677625259. The next prime is 677625293. The reversal of 677625261 is 162526776.

It is not a de Polignac number, because 677625261 - 2¹ = 677625259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677625211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12976 + ... + 39033.

It is an arithmetic number, because the mean of its divisors is an integer number (58355220).

Almost surely, 2^677625261 is an apocalyptic number.

It is an amenable number.

677625261 is a deficient number, since it is larger than the sum of its proper divisors (256058259).

677625261 is a wasteful number, since it uses less digits than its factorization.

677625261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52156.

The product of its digits is 211680, while the sum is 42.

The square root of 677625261 is about 26031.2362556987. The cubic root of 677625261 is about 878.3410813776.

The spelling of 677625261 in words is "six hundred seventy-seven million, six hundred twenty-five thousand, two hundred sixty-one".