1977182114 has 12 divisors (see below), whose sum is σ = 3039878562. Its totient is φ = 964477440.

The previous prime is 1977182113. The next prime is 1977182117. The reversal of 1977182114 is 4112817791.

It can be written as a sum of positive squares in 3 ways, for example, as 330039889 + 1647142225 = 18167^2 + 40585^2 .

It is a super-2 number, since 2×1977182114² = 7818498223843017992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (1977182111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290687 + ... + 297410.

Almost surely, 2^1977182114 is an apocalyptic number.

1977182114 is a deficient number, since it is larger than the sum of its proper divisors (1062696448).

1977182114 is an equidigital number, since it uses as much as digits as its factorization.

1977182114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588181 (or 588140 counting only the distinct ones).

The product of its digits is 28224, while the sum is 41.

The square root of 1977182114 is about 44465.5160096001. The cubic root of 1977182114 is about 1255.1112558840. Note that the first 3 decimals are identical.

The spelling of 1977182114 in words is "one billion, nine hundred seventy-seven million, one hundred eighty-two thousand, one hundred fourteen".