65424888 has 64 divisors (see below), whose sum is σ = 182400000. Its totient is φ = 21728736.

The previous prime is 65424881. The next prime is 65424913. The reversal of 65424888 is 88842456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65424881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107481 + ... + 108087.

It is an arithmetic number, because the mean of its divisors is an integer number (2850000).

Almost surely, 2^65424888 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 65424888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91200000).

65424888 is an abundant number, since it is smaller than the sum of its proper divisors (116975112).

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

65424888 is a wasteful number, since it uses less digits than its factorization.

65424888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1111 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 65424888 is about 8088.5652621463. The cubic root of 65424888 is about 402.9467549471.

The spelling of 65424888 in words is "sixty-five million, four hundred twenty-four thousand, eight hundred eighty-eight".