80766459 has 6 divisors (see below), whose sum is σ = 116662676. Its totient is φ = 53844300.

The previous prime is 80766437. The next prime is 80766463. The reversal of 80766459 is 95466708.

It is a de Polignac number, because none of the positive numbers 2^k-80766459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80766559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4487017 + ... + 4487034.

Almost surely, 2^80766459 is an apocalyptic number.

80766459 is a deficient number, since it is larger than the sum of its proper divisors (35896217).

80766459 is a wasteful number, since it uses less digits than its factorization.

80766459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974057 (or 8974054 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 80766459 is about 8987.0161344019. The cubic root of 80766459 is about 432.2586382038.

It can be divided in two parts, 80766 and 459, that added together give a square (81225 = 285²).

The spelling of 80766459 in words is "eighty million, seven hundred sixty-six thousand, four hundred fifty-nine".