80401089 has 8 divisors (see below), whose sum is σ = 107683072. Its totient is φ = 53359920.

The previous prime is 80401081. The next prime is 80401091. The reversal of 80401089 is 98010408.

It is a happy number.

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

It is not a de Polignac number, because 80401089 - 2³ = 80401081 is a prime.

It is a super-2 number, since 2×80401089² = 12928670224771842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80401081) 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, 59422 + ... + 60759.

It is an arithmetic number, because the mean of its divisors is an integer number (13460384).

Almost surely, 2^80401089 is an apocalyptic number.

It is an amenable number.

80401089 is a deficient number, since it is larger than the sum of its proper divisors (27281983).

80401089 is a wasteful number, since it uses less digits than its factorization.

80401089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120407.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 80401089 is about 8966.6654337050. The cubic root of 80401089 is about 431.6058379591.

The spelling of 80401089 in words is "eighty million, four hundred one thousand, eighty-nine".