80774659 has 4 divisors (see below), whose sum is σ = 92313904. Its totient is φ = 69235416.

The previous prime is 80774653. The next prime is 80774669. The reversal of 80774659 is 95647708.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80774659 - 2⁹ = 80774147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80774653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5769612 + ... + 5769625.

It is an arithmetic number, because the mean of its divisors is an integer number (23078476).

Almost surely, 2^80774659 is an apocalyptic number.

80774659 is a deficient number, since it is larger than the sum of its proper divisors (11539245).

80774659 is a wasteful number, since it uses less digits than its factorization.

80774659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539244.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 80774659 is about 8987.4723365360. The cubic root of 80774659 is about 432.2732663920.

It can be divided in two parts, 807 and 74659, that added together give a triangular number (75466 = T₃₈₈).

The spelling of 80774659 in words is "eighty million, seven hundred seventy-four thousand, six hundred fifty-nine".