677171484 has 144 divisors (see below), whose sum is σ = 1939523040. Its totient is φ = 197406720.

The previous prime is 677171477. The next prime is 677171491. The reversal of 677171484 is 484171776.

It is an interprime number because it is at equal distance from previous prime (677171477) and next prime (677171491).

It is a super-2 number, since 2×677171484² = 917122437485524512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1655472 + ... + 1655880.

It is an arithmetic number, because the mean of its divisors is an integer number (13468910).

Almost surely, 2^677171484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677171484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969761520).

677171484 is an abundant number, since it is smaller than the sum of its proper divisors (1262351556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677171484 is a wasteful number, since it uses less digits than its factorization.

677171484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 575 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 677171484 is about 26022.5187866202. The cubic root of 677171484 is about 878.1449749622.

The spelling of 677171484 in words is "six hundred seventy-seven million, one hundred seventy-one thousand, four hundred eighty-four".