81054795 has 8 divisors (see below), whose sum is σ = 129687696. Its totient is φ = 43229216.

The previous prime is 81054781. The next prime is 81054821. The reversal of 81054795 is 59745018.

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 81054795 - 2⁷ = 81054667 is a prime.

It is an unprimeable number.

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, 2701812 + ... + 2701841.

It is an arithmetic number, because the mean of its divisors is an integer number (16210962).

Almost surely, 2^81054795 is an apocalyptic number.

81054795 is a deficient number, since it is larger than the sum of its proper divisors (48632901).

81054795 is a wasteful number, since it uses less digits than its factorization.

81054795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403661.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 81054795 is about 9003.0436520101. The cubic root of 81054795 is about 432.7724146127.

The spelling of 81054795 in words is "eighty-one million, fifty-four thousand, seven hundred ninety-five".