65738982805902 has 72 divisors (see below), whose sum is σ = 165691028903400. Its totient is φ = 18782344330848.

The previous prime is 65738982805849. The next prime is 65738982805913. The reversal of 65738982805902 is 20950828983756.

65738982805902 is a `hidden beast` number, since 6 + 5 + 7 + 3 + 8 + 9 + 8 + 28 + 0 + 590 + 2 = 666.

It is a super-2 number, since 2×65738982805902² (a number of 28 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 35 ways as a sum of consecutive naturals, for example, 83139849 + ... + 83926827.

It is an arithmetic number, because the mean of its divisors is an integer number (2301264290325).

Almost surely, 2^{65738982805902} is an apocalyptic number.

65738982805902 is an abundant number, since it is smaller than the sum of its proper divisors (99952046097498).

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

65738982805902 is a wasteful number, since it uses less digits than its factorization.

65738982805902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881710 (or 881700 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 65738982805902 in words is "sixty-five trillion, seven hundred thirty-eight billion, nine hundred eighty-two million, eight hundred five thousand, nine hundred two".