677277477 has 32 divisors (see below), whose sum is σ = 1080780800. Its totient is φ = 417792816.

The previous prime is 677277443. The next prime is 677277479. The reversal of 677277477 is 774772776.

It is not a de Polignac number, because 677277477 - 2⁶ = 677277413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677277479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6708 + ... + 37410.

It is an arithmetic number, because the mean of its divisors is an integer number (33774400).

Almost surely, 2^677277477 is an apocalyptic number.

It is an amenable number.

677277477 is a deficient number, since it is larger than the sum of its proper divisors (403503323).

677277477 is a wasteful number, since it uses less digits than its factorization.

677277477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30774 (or 30768 counting only the distinct ones).

The product of its digits is 5647152, while the sum is 54.

The square root of 677277477 is about 26024.5552699753. Note that the first 3 decimals coincide. The cubic root of 677277477 is about 878.1907892385.

The spelling of 677277477 in words is "six hundred seventy-seven million, two hundred seventy-seven thousand, four hundred seventy-seven".