82801854 has 12 divisors (see below), whose sum is σ = 179404056. Its totient is φ = 27600612.

The previous prime is 82801853. The next prime is 82801861. The reversal of 82801854 is 45810828.

It is a super-2 number, since 2×82801854² = 13712294051674632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82801853) 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, 2300034 + ... + 2300069.

It is an arithmetic number, because the mean of its divisors is an integer number (14950338).

Almost surely, 2^82801854 is an apocalyptic number.

82801854 is an abundant number, since it is smaller than the sum of its proper divisors (96602202).

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

82801854 is a wasteful number, since it uses less digits than its factorization.

82801854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600111 (or 4600108 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 82801854 is about 9099.5524065747. The cubic root of 82801854 is about 435.8596713335.

The spelling of 82801854 in words is "eighty-two million, eight hundred one thousand, eight hundred fifty-four".