80811962 has 32 divisors (see below), whose sum is σ = 153995904. Its totient is φ = 30888000.

The previous prime is 80811953. The next prime is 80811967. The reversal of 80811962 is 26911808.

It is not an unprimeable number, because it can be changed into a prime (80811967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3212 + ... + 13112.

It is an arithmetic number, because the mean of its divisors is an integer number (4812372).

Almost surely, 2^80811962 is an apocalyptic number.

80811962 is a deficient number, since it is larger than the sum of its proper divisors (73183942).

80811962 is a wasteful number, since it uses less digits than its factorization.

80811962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 80811962 is about 8989.5473745901. The cubic root of 80811962 is about 432.3397996679.

The spelling of 80811962 in words is "eighty million, eight hundred eleven thousand, nine hundred sixty-two".