80855034 has 64 divisors (see below), whose sum is σ = 180690048. Its totient is φ = 23961600.

The previous prime is 80855011. The next prime is 80855039. The reversal of 80855034 is 43055808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80854986 and 80855004.

It is not an unprimeable number, because it can be changed into a prime (80855039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418842 + ... + 419034.

It is an arithmetic number, because the mean of its divisors is an integer number (2823282).

Almost surely, 2^80855034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80855034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90345024).

80855034 is an abundant number, since it is smaller than the sum of its proper divisors (99835014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80855034 is a wasteful number, since it uses less digits than its factorization.

80855034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 80855034 is about 8991.9427266859. The cubic root of 80855034 is about 432.4165970131.

The spelling of 80855034 in words is "eighty million, eight hundred fifty-five thousand, thirty-four".