80851055 has 4 divisors (see below), whose sum is σ = 97021272. Its totient is φ = 64680840.

The previous prime is 80851039. The next prime is 80851091. The reversal of 80851055 is 55015808.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80851055 - 2⁴ = 80851039 is a prime.

It is a super-2 number, since 2×80851055² = 13073786189226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8085101 + ... + 8085110.

It is an arithmetic number, because the mean of its divisors is an integer number (24255318).

Almost surely, 2^80851055 is an apocalyptic number.

80851055 is a deficient number, since it is larger than the sum of its proper divisors (16170217).

80851055 is a wasteful number, since it uses less digits than its factorization.

80851055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170216.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 80851055 is about 8991.7214703304. The cubic root of 80851055 is about 432.4095036025.

The spelling of 80851055 in words is "eighty million, eight hundred fifty-one thousand, fifty-five".