80356892 has 96 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 28984320.

The previous prime is 80356853. The next prime is 80356921. The reversal of 80356892 is 29865308.

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, 539234 + ... + 539382.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^80356892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80356892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).

80356892 is an abundant number, since it is smaller than the sum of its proper divisors (108340708).

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

80356892 is a wasteful number, since it uses less digits than its factorization.

80356892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 80356892 is about 8964.2005778541. The cubic root of 80356892 is about 431.5267379541.

The spelling of 80356892 in words is "eighty million, three hundred fifty-six thousand, eight hundred ninety-two".