677789190 has 96 divisors (see below), whose sum is σ = 1922094720. Its totient is φ = 164706048.

The previous prime is 677789171. The next prime is 677789191. The reversal of 677789190 is 91987776.

It is a super-2 number, since 2×677789190² = 918796372161712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677789191) by changing a digit.

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, 88764 + ... + 96096.

It is an arithmetic number, because the mean of its divisors is an integer number (20021820).

Almost surely, 2^677789190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677789190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961047360).

677789190 is an abundant number, since it is smaller than the sum of its proper divisors (1244305530).

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

677789190 is a wasteful number, since it uses less digits than its factorization.

677789190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 677789190 is about 26034.3847632319. The cubic root of 677789190 is about 878.4119041829.

The spelling of 677789190 in words is "six hundred seventy-seven million, seven hundred eighty-nine thousand, one hundred ninety".