65902488 has 64 divisors (see below), whose sum is σ = 177513600. Its totient is φ = 20321280.

The previous prime is 65902483. The next prime is 65902517. The reversal of 65902488 is 88420956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65902483) 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, 17928 + ... + 21288.

It is an arithmetic number, because the mean of its divisors is an integer number (2773650).

Almost surely, 2^65902488 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 65902488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88756800).

65902488 is an abundant number, since it is smaller than the sum of its proper divisors (111611112).

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

65902488 is a wasteful number, since it uses less digits than its factorization.

65902488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 65902488 is about 8118.0347375458. The cubic root of 65902488 is about 403.9248790170.

The spelling of 65902488 in words is "sixty-five million, nine hundred two thousand, four hundred eighty-eight".