874727982464 has 64 divisors (see below), whose sum is σ = 1992915943200. Its totient is φ = 374629724160.

The previous prime is 874727982391. The next prime is 874727982497. The reversal of 874727982464 is 464289727478.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×874727982464² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 874727982394 and 874727982403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997382 + ... + 1656570.

Almost surely, 2^874727982464 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 874727982464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996457971600).

874727982464 is an abundant number, since it is smaller than the sum of its proper divisors (1118187960736).

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

874727982464 is a wasteful number, since it uses less digits than its factorization.

874727982464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660691 (or 660679 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 68.

The spelling of 874727982464 in words is "eight hundred seventy-four billion, seven hundred twenty-seven million, nine hundred eighty-two thousand, four hundred sixty-four".