80854357 has 4 divisors (see below), whose sum is σ = 81350560. Its totient is φ = 80358156.

The previous prime is 80854351. The next prime is 80854369. The reversal of 80854357 is 75345808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80854357 - 2¹⁹ = 80330069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80854351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247857 + ... + 248182.

It is an arithmetic number, because the mean of its divisors is an integer number (20337640).

Almost surely, 2^80854357 is an apocalyptic number.

It is an amenable number.

80854357 is a deficient number, since it is larger than the sum of its proper divisors (496203).

80854357 is a wasteful number, since it uses less digits than its factorization.

80854357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496202.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 80854357 is about 8991.9050817944. The cubic root of 80854357 is about 432.4153901336.

The spelling of 80854357 in words is "eighty million, eight hundred fifty-four thousand, three hundred fifty-seven".