65199882 has 48 divisors (see below), whose sum is σ = 148006656. Its totient is φ = 19113600.

The previous prime is 65199847. The next prime is 65199919. The reversal of 65199882 is 28899156.

It is a happy number.

It is a super-2 number, since 2×65199882² = 8502049225627848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21058 + ... + 23954.

It is an arithmetic number, because the mean of its divisors is an integer number (3083472).

Almost surely, 2^65199882 is an apocalyptic number.

65199882 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 65199882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74003328).

65199882 is an abundant number, since it is smaller than the sum of its proper divisors (82806774).

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

65199882 is a wasteful number, since it uses less digits than its factorization.

65199882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2944 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 65199882 is about 8074.6443884545. The cubic root of 65199882 is about 402.4842929457.

The spelling of 65199882 in words is "sixty-five million, one hundred ninety-nine thousand, eight hundred eighty-two".