80758766 has 16 divisors (see below), whose sum is σ = 135375408. Its totient is φ = 35812800.

The previous prime is 80758763. The next prime is 80758793. The reversal of 80758766 is 66785708.

It is a self number, because there is not a number n which added to its sum of digits gives 80758766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80758763) 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, 43865 + ... + 45668.

It is an arithmetic number, because the mean of its divisors is an integer number (8460963).

Almost surely, 2^80758766 is an apocalyptic number.

80758766 is a deficient number, since it is larger than the sum of its proper divisors (54616642).

80758766 is a wasteful number, since it uses less digits than its factorization.

80758766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89587.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 80758766 is about 8986.5881178565. The cubic root of 80758766 is about 432.2449135656.

The spelling of 80758766 in words is "eighty million, seven hundred fifty-eight thousand, seven hundred sixty-six".