65878883004 has 96 divisors (see below), whose sum is σ = 177829344000. Its totient is φ = 18760053760.

The previous prime is 65878882997. The next prime is 65878883011. The reversal of 65878883004 is 40038887856.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65878882997) and next prime (65878883011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456522 + ... + 1501070.

It is an arithmetic number, because the mean of its divisors is an integer number (1852389000).

Almost surely, 2^65878883004 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 65878883004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88914672000).

65878883004 is an abundant number, since it is smaller than the sum of its proper divisors (111950460996).

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

65878883004 is a wasteful number, since it uses less digits than its factorization.

65878883004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45243 (or 45241 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 65878883004 in words is "sixty-five billion, eight hundred seventy-eight million, eight hundred eighty-three thousand, four".