80918401 has 8 divisors (see below), whose sum is σ = 83883008. Its totient is φ = 77976000.

The previous prime is 80918399. The next prime is 80918407. The reversal of 80918401 is 10481908.

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

It is a cyclic number.

It is not a de Polignac number, because 80918401 - 2¹ = 80918399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80918407) 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 7 ways as a sum of consecutive naturals, for example, 2056 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (10485376).

Almost surely, 2^80918401 is an apocalyptic number.

It is an amenable number.

80918401 is a deficient number, since it is larger than the sum of its proper divisors (2964607).

80918401 is a wasteful number, since it uses less digits than its factorization.

80918401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 80918401 is about 8995.4655799464. The cubic root of 80918401 is about 432.5295307668.

The spelling of 80918401 in words is "eighty million, nine hundred eighteen thousand, four hundred one".