65387900 has 18 divisors (see below), whose sum is σ = 141891960. Its totient is φ = 26155120.

The previous prime is 65387893. The next prime is 65387909. The reversal of 65387900 is 978356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65387909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326840 + ... + 327039.

Almost surely, 2^65387900 is an apocalyptic number.

It is an amenable number.

65387900 is an abundant number, since it is smaller than the sum of its proper divisors (76504060).

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

65387900 is a wasteful number, since it uses less digits than its factorization.

65387900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653893 (or 653886 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 65387900 is about 8086.2785012637. The cubic root of 65387900 is about 402.8708052353.

The spelling of 65387900 in words is "sixty-five million, three hundred eighty-seven thousand, nine hundred".