80642094 has 64 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 23392512.

The previous prime is 80642087. The next prime is 80642113. The reversal of 80642094 is 49024608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141442 + ... + 142010.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^80642094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80642094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91929600).

80642094 is an abundant number, since it is smaller than the sum of its proper divisors (103217106).

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

80642094 is a wasteful number, since it uses less digits than its factorization.

80642094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80642094 is about 8980.0943202174. The cubic root of 80642094 is about 432.0366588404.

The spelling of 80642094 in words is "eighty million, six hundred forty-two thousand, ninety-four".