1677970944 has 160 divisors (see below), whose sum is σ = 5349553440. Its totient is φ = 516243456.

The previous prime is 1677970939. The next prime is 1677970951. The reversal of 1677970944 is 4490797761.

It is a super-2 number, since 2×1677970944² = 5631172977816502272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175044 + ... + 184380.

It is an arithmetic number, because the mean of its divisors is an integer number (33434709).

Almost surely, 2^1677970944 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 1677970944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674776720).

1677970944 is an abundant number, since it is smaller than the sum of its proper divisors (3671582496).

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

1677970944 is an equidigital number, since it uses as much as digits as its factorization.

1677970944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 1677970944 is about 40963.0436369174. The cubic root of 1677970944 is about 1188.3056044723.

The spelling of 1677970944 in words is "one billion, six hundred seventy-seven million, nine hundred seventy thousand, nine hundred forty-four".