80857106 has 16 divisors (see below), whose sum is σ = 133908768. Its totient is φ = 36309600.

The previous prime is 80857069. The next prime is 80857111. The reversal of 80857106 is 60175808.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20315 + ... + 23966.

It is an arithmetic number, because the mean of its divisors is an integer number (8369298).

Almost surely, 2^80857106 is an apocalyptic number.

80857106 is a deficient number, since it is larger than the sum of its proper divisors (53051662).

80857106 is a wasteful number, since it uses less digits than its factorization.

80857106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44377.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 80857106 is about 8992.0579402048. The cubic root of 80857106 is about 432.4202907000.

The spelling of 80857106 in words is "eighty million, eight hundred fifty-seven thousand, one hundred six".