80858442 has 32 divisors (see below), whose sum is σ = 185318784. Its totient is φ = 23040000.

The previous prime is 80858423. The next prime is 80858483. The reversal of 80858442 is 24485808.

It is a self number, because there is not a number n which added to its sum of digits gives 80858442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14442 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (5791212).

Almost surely, 2^80858442 is an apocalyptic number.

80858442 is an abundant number, since it is smaller than the sum of its proper divisors (104460342).

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

80858442 is a wasteful number, since it uses less digits than its factorization.

80858442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214.

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 80858442 is about 8992.1322276755. The cubic root of 80858442 is about 432.4226723102.

The spelling of 80858442 in words is "eighty million, eight hundred fifty-eight thousand, four hundred forty-two".