80406651 has 48 divisors (see below), whose sum is σ = 129651840. Its totient is φ = 44029440.

The previous prime is 80406629. The next prime is 80406679. The reversal of 80406651 is 15660408.

It is not a de Polignac number, because 80406651 - 2⁷ = 80406523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80406691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163516 + ... + 164006.

It is an arithmetic number, because the mean of its divisors is an integer number (2701080).

Almost surely, 2^80406651 is an apocalyptic number.

80406651 is a deficient number, since it is larger than the sum of its proper divisors (49245189).

80406651 is a wasteful number, since it uses less digits than its factorization.

80406651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80406651 is about 8966.9755770828. The cubic root of 80406651 is about 431.6157902966.

The spelling of 80406651 in words is "eighty million, four hundred six thousand, six hundred fifty-one".