80957838 has 32 divisors (see below), whose sum is σ = 181956096. Its totient is φ = 23826528.

The previous prime is 80957831. The next prime is 80957839. The reversal of 80957838 is 83875908.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80957831) by changing a digit.

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, 20770 + ... + 24357.

It is an arithmetic number, because the mean of its divisors is an integer number (5686128).

Almost surely, 2^80957838 is an apocalyptic number.

80957838 is an abundant number, since it is smaller than the sum of its proper divisors (100998258).

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

80957838 is a wasteful number, since it uses less digits than its factorization.

80957838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45168.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 80957838 is about 8997.6573617803. The cubic root of 80957838 is about 432.5997863021.

The spelling of 80957838 in words is "eighty million, nine hundred fifty-seven thousand, eight hundred thirty-eight".