82801844 has 24 divisors (see below), whose sum is σ = 150255840. Its totient is φ = 39878496.

The previous prime is 82801813. The next prime is 82801853. The reversal of 82801844 is 44810828.

It is a super-2 number, since 2×82801844² = 13712290739600672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90839 + ... + 91745.

It is an arithmetic number, because the mean of its divisors is an integer number (6260660).

Almost surely, 2^82801844 is an apocalyptic number.

It is an amenable number.

82801844 is a deficient number, since it is larger than the sum of its proper divisors (67453996).

82801844 is a wasteful number, since it uses less digits than its factorization.

82801844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 82801844 is about 9099.5518570971. The cubic root of 82801844 is about 435.8596537872.

The spelling of 82801844 in words is "eighty-two million, eight hundred one thousand, eight hundred forty-four".