80354831 has 4 divisors (see below), whose sum is σ = 82223592. Its totient is φ = 78486072.

The previous prime is 80354803. The next prime is 80354839. The reversal of 80354831 is 13845308.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80354831 is a prime.

It is a super-2 number, since 2×80354831² = 12913797730077122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80354839) 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 3 ways as a sum of consecutive naturals, for example, 934316 + ... + 934401.

It is an arithmetic number, because the mean of its divisors is an integer number (20555898).

Almost surely, 2^80354831 is an apocalyptic number.

80354831 is a deficient number, since it is larger than the sum of its proper divisors (1868761).

80354831 is a wasteful number, since it uses less digits than its factorization.

80354831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868760.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80354831 is about 8964.0856198499. The cubic root of 80354831 is about 431.5230486451.

The spelling of 80354831 in words is "eighty million, three hundred fifty-four thousand, eight hundred thirty-one".