1977004484 has 24 divisors (see below), whose sum is σ = 4258164288. Its totient is φ = 782111520.

The previous prime is 1977004483. The next prime is 1977004487. The reversal of 1977004484 is 4844007791.

It is a super-2 number, since 2×1977004484² = 7817093459512212512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1977004483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715302 + ... + 2716029.

It is an arithmetic number, because the mean of its divisors is an integer number (177423512).

Almost surely, 2^1977004484 is an apocalyptic number.

1977004484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1977004484 is an abundant number, since it is smaller than the sum of its proper divisors (2281159804).

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

1977004484 is a wasteful number, since it uses less digits than its factorization.

1977004484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431355 (or 5431353 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 1977004484 is about 44463.5185742199. The cubic root of 1977004484 is about 1255.0736683686.

The spelling of 1977004484 in words is "one billion, nine hundred seventy-seven million, four thousand, four hundred eighty-four".