80654401 has 4 divisors (see below), whose sum is σ = 80690112. Its totient is φ = 80618692.

The previous prime is 80654389. The next prime is 80654407. The reversal of 80654401 is 10445608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80654401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80654401.

It is not an unprimeable number, because it can be changed into a prime (80654407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14221 + ... + 19066.

It is an arithmetic number, because the mean of its divisors is an integer number (20172528).

Almost surely, 2^80654401 is an apocalyptic number.

It is an amenable number.

80654401 is a deficient number, since it is larger than the sum of its proper divisors (35711).

80654401 is a wasteful number, since it uses less digits than its factorization.

80654401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35710.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 80654401 is about 8980.7795318669. The cubic root of 80654401 is about 432.0586358024.

It can be divided in two parts, 80 and 654401, that added together give a square (654481 = 809²).

The spelling of 80654401 in words is "eighty million, six hundred fifty-four thousand, four hundred one".