81483826 has 8 divisors (see below), whose sum is σ = 122315904. Its totient is φ = 40711860.

The previous prime is 81483821. The next prime is 81483869. The reversal of 81483826 is 62838418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×81483826² = 13279227799196552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (81483821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11470 + ... + 17161.

It is an arithmetic number, because the mean of its divisors is an integer number (15289488).

Almost surely, 2^81483826 is an apocalyptic number.

81483826 is a deficient number, since it is larger than the sum of its proper divisors (40832078).

81483826 is a wasteful number, since it uses less digits than its factorization.

81483826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30056.

The product of its digits is 73728, while the sum is 40.

The square root of 81483826 is about 9026.8392031763. The cubic root of 81483826 is about 433.5346403267.

The spelling of 81483826 in words is "eighty-one million, four hundred eighty-three thousand, eight hundred twenty-six".