80047766 has 16 divisors (see below), whose sum is σ = 124305408. Its totient is φ = 38620200.

The previous prime is 80047763. The next prime is 80047769. The reversal of 80047766 is 66774008.

It is an interprime number because it is at equal distance from previous prime (80047763) and next prime (80047769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80047763) 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, 22061 + ... + 25431.

It is an arithmetic number, because the mean of its divisors is an integer number (7769088).

Almost surely, 2^80047766 is an apocalyptic number.

80047766 is a deficient number, since it is larger than the sum of its proper divisors (44257642).

80047766 is a wasteful number, since it uses less digits than its factorization.

80047766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 80047766 is about 8946.9417121159. The cubic root of 80047766 is about 430.9726782170.

The spelling of 80047766 in words is "eighty million, forty-seven thousand, seven hundred sixty-six".