80411766 has 16 divisors (see below), whose sum is σ = 160913088. Its totient is φ = 26789000.

The previous prime is 80411761. The next prime is 80411797. The reversal of 80411766 is 66711408.

It is a happy number.

It is a super-2 number, since 2×80411766² = 12932104222477512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80411761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15841 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (10057068).

Almost surely, 2^80411766 is an apocalyptic number.

80411766 is an abundant number, since it is smaller than the sum of its proper divisors (80501322).

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

80411766 is a wasteful number, since it uses less digits than its factorization.

80411766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 80411766 is about 8967.2607857695. The cubic root of 80411766 is about 431.6249423918.

The spelling of 80411766 in words is "eighty million, four hundred eleven thousand, seven hundred sixty-six".