65356980 has 48 divisors (see below), whose sum is σ = 197078784. Its totient is φ = 16087680.

The previous prime is 65356933. The next prime is 65356987. The reversal of 65356980 is 8965356.

65356980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65356987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41116 + ... + 42675.

It is an arithmetic number, because the mean of its divisors is an integer number (4105808).

Almost surely, 2^65356980 is an apocalyptic number.

65356980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65356980 is an abundant number, since it is smaller than the sum of its proper divisors (131721804).

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

65356980 is a wasteful number, since it uses less digits than its factorization.

65356980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83816 (or 83814 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 65356980 is about 8084.3663944678. The cubic root of 65356980 is about 402.8072933354.

The spelling of 65356980 in words is "sixty-five million, three hundred fifty-six thousand, nine hundred eighty".