80491435 has 4 divisors (see below), whose sum is σ = 96589728. Its totient is φ = 64393144.

The previous prime is 80491417. The next prime is 80491451. The reversal of 80491435 is 53419408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80491435 - 2⁵ = 80491403 is a prime.

It is a super-2 number, since 2×80491435² = 12957742216718450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80491435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8049139 + ... + 8049148.

It is an arithmetic number, because the mean of its divisors is an integer number (24147432).

Almost surely, 2^80491435 is an apocalyptic number.

80491435 is a deficient number, since it is larger than the sum of its proper divisors (16098293).

80491435 is a wasteful number, since it uses less digits than its factorization.

80491435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16098292.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 80491435 is about 8971.7019009773. The cubic root of 80491435 is about 431.7674413443.

The spelling of 80491435 in words is "eighty million, four hundred ninety-one thousand, four hundred thirty-five".