80761842 has 24 divisors (see below), whose sum is σ = 199982016. Its totient is φ = 23074776.

The previous prime is 80761823. The next prime is 80761847. The reversal of 80761842 is 24816708.

It is a junction number, because it is equal to n+sod(n) for n = 80761797 and 80761806.

It is not an unprimeable number, because it can be changed into a prime (80761847) 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 11 ways as a sum of consecutive naturals, for example, 320358 + ... + 320609.

It is an arithmetic number, because the mean of its divisors is an integer number (8332584).

Almost surely, 2^80761842 is an apocalyptic number.

80761842 is an abundant number, since it is smaller than the sum of its proper divisors (119220174).

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

80761842 is a wasteful number, since it uses less digits than its factorization.

80761842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640982 (or 640979 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 80761842 is about 8986.7592601560. The cubic root of 80761842 is about 432.2504013846.

The spelling of 80761842 in words is "eighty million, seven hundred sixty-one thousand, eight hundred forty-two".