65380488 has 32 divisors (see below), whose sum is σ = 168725760. Its totient is φ = 21090240.

The previous prime is 65380481. The next prime is 65380493. The reversal of 65380488 is 88408356.

It is a super-2 number, since 2×65380488² = 8549216422236288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65380481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43195 + ... + 44682.

It is an arithmetic number, because the mean of its divisors is an integer number (5272680).

Almost surely, 2^65380488 is an apocalyptic number.

It is an amenable number.

65380488 is an abundant number, since it is smaller than the sum of its proper divisors (103345272).

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

65380488 is a wasteful number, since it uses less digits than its factorization.

65380488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87917 (or 87913 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 65380488 is about 8085.8201810330. The cubic root of 65380488 is about 402.8555822800.

The spelling of 65380488 in words is "sixty-five million, three hundred eighty thousand, four hundred eighty-eight".