82154803 has 8 divisors (see below), whose sum is σ = 87032720. Its totient is φ = 77332320.

The previous prime is 82154789. The next prime is 82154819. The reversal of 82154803 is 30845128.

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 82154803 - 2¹³ = 82146611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82154833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 16753.

It is an arithmetic number, because the mean of its divisors is an integer number (10879090).

Almost surely, 2^82154803 is an apocalyptic number.

82154803 is a deficient number, since it is larger than the sum of its proper divisors (4877917).

82154803 is a wasteful number, since it uses less digits than its factorization.

82154803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27717.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 82154803 is about 9063.9286735940. The cubic root of 82154803 is about 434.7213664611.

The spelling of 82154803 in words is "eighty-two million, one hundred fifty-four thousand, eight hundred three".