677111857 has 8 divisors (see below), whose sum is σ = 680295456. Its totient is φ = 673936032.

The previous prime is 677111839. The next prime is 677111863. The reversal of 677111857 is 758111776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677111857 - 2¹⁵ = 677079089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677111837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235573 + ... + 238429.

It is an arithmetic number, because the mean of its divisors is an integer number (85036932).

Almost surely, 2^677111857 is an apocalyptic number.

It is an amenable number.

677111857 is a deficient number, since it is larger than the sum of its proper divisors (3183599).

677111857 is a wasteful number, since it uses less digits than its factorization.

677111857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887.

The product of its digits is 82320, while the sum is 43.

The square root of 677111857 is about 26021.3730806043. The cubic root of 677111857 is about 878.1191997641.

The spelling of 677111857 in words is "six hundred seventy-seven million, one hundred eleven thousand, eight hundred fifty-seven".