874739065944 has 64 divisors (see below), whose sum is σ = 2258995968000. Its totient is φ = 281973288960.

The previous prime is 874739065927. The next prime is 874739065979. The reversal of 874739065944 is 449560937478.

It is a super-2 number, since 2×874739065944² (a number of 25 digits) contains 22 as substring.

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, 631077 + ... + 1465515.

It is an arithmetic number, because the mean of its divisors is an integer number (35296812000).

Almost surely, 2^874739065944 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 874739065944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129497984000).

874739065944 is an abundant number, since it is smaller than the sum of its proper divisors (1384256902056).

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

874739065944 is a wasteful number, since it uses less digits than its factorization.

874739065944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835888 (or 835884 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 874739065944 in words is "eight hundred seventy-four billion, seven hundred thirty-nine million, sixty-five thousand, nine hundred forty-four".