977937984 has 63 divisors (see below), whose sum is σ = 2805235563. Its totient is φ = 325729152.

The previous prime is 977937979. The next prime is 977937991. The reversal of 977937984 is 489739779.

The square root of 977937984 is 31272.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 749877 + ... + 751179.

Almost surely, 2^977937984 is an apocalyptic number.

977937984 is the 31272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977937984

977937984 is an abundant number, since it is smaller than the sum of its proper divisors (1827297579).

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

977937984 is an equidigital number, since it uses as much as digits as its factorization.

977937984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 1308 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 63.

The cubic root of 977937984 is about 992.5912405043.

It can be divided in two parts, 977 and 937984, that added together give a square (938961 = 969²).

The spelling of 977937984 in words is "nine hundred seventy-seven million, nine hundred thirty-seven thousand, nine hundred eighty-four".