677291382 has 80 divisors (see below), whose sum is σ = 1570825872. Its totient is φ = 217969920.

The previous prime is 677291359. The next prime is 677291431. The reversal of 677291382 is 283192776.

It is a super-2 number, since 2×677291382² = 917447232262939848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 710218 + ... + 711170.

Almost surely, 2^677291382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677291382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785412936).

677291382 is an abundant number, since it is smaller than the sum of its proper divisors (893534490).

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

677291382 is a wasteful number, since it uses less digits than its factorization.

677291382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1106 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 677291382 is about 26024.8224201434. The cubic root of 677291382 is about 878.1967991629.

The spelling of 677291382 in words is "six hundred seventy-seven million, two hundred ninety-one thousand, three hundred eighty-two".