80401791 has 8 divisors (see below), whose sum is σ = 107263744. Its totient is φ = 53570520.

The previous prime is 80401781. The next prime is 80401801. The reversal of 80401791 is 19710408.

It is an interprime number because it is at equal distance from previous prime (80401781) and next prime (80401801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80401791 - 2⁵ = 80401759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80401781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (13407968).

Almost surely, 2^80401791 is an apocalyptic number.

80401791 is a deficient number, since it is larger than the sum of its proper divisors (26861953).

80401791 is a wasteful number, since it uses less digits than its factorization.

80401791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15341.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 80401791 is about 8966.7045786063. The cubic root of 80401791 is about 431.6070941047.

The spelling of 80401791 in words is "eighty million, four hundred one thousand, seven hundred ninety-one".