81476101 has 8 divisors (see below), whose sum is σ = 93786560. Its totient is φ = 69333408.

The previous prime is 81476093. The next prime is 81476107. The reversal of 81476101 is 10167418.

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

It is a cyclic number.

It is not a de Polignac number, because 81476101 - 2³ = 81476093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 81476101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81476107) 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 7 ways as a sum of consecutive naturals, for example, 40896 + ... + 42841.

It is an arithmetic number, because the mean of its divisors is an integer number (11723320).

Almost surely, 2^81476101 is an apocalyptic number.

It is an amenable number.

81476101 is a deficient number, since it is larger than the sum of its proper divisors (12310459).

81476101 is a wasteful number, since it uses less digits than its factorization.

81476101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83883.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 81476101 is about 9026.4113023948. The cubic root of 81476101 is about 433.5209396080.

The spelling of 81476101 in words is "eighty-one million, four hundred seventy-six thousand, one hundred one".