80819401 has 8 divisors (see below), whose sum is σ = 90820800. Its totient is φ = 71358672.

The previous prime is 80819399. The next prime is 80819419. The reversal of 80819401 is 10491808.

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 80819401 - 2¹ = 80819399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80819471) 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, 134851 + ... + 135448.

It is an arithmetic number, because the mean of its divisors is an integer number (11352600).

Almost surely, 2^80819401 is an apocalyptic number.

It is an amenable number.

80819401 is a deficient number, since it is larger than the sum of its proper divisors (10001399).

80819401 is a wasteful number, since it uses less digits than its factorization.

80819401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270335.

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

The square root of 80819401 is about 8989.9611233865. The cubic root of 80819401 is about 432.3530653487.

The spelling of 80819401 in words is "eighty million, eight hundred nineteen thousand, four hundred one".