80775746 has 8 divisors (see below), whose sum is σ = 121218960. Its totient is φ = 40369428.

The previous prime is 80775743. The next prime is 80775767. The reversal of 80775746 is 64757708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80775746² = 13049442283713032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80775697 and 80775706.

It is not an unprimeable number, because it can be changed into a prime (80775743) 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, 2876 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (15152370).

Almost surely, 2^80775746 is an apocalyptic number.

80775746 is a deficient number, since it is larger than the sum of its proper divisors (40443214).

80775746 is a wasteful number, since it uses less digits than its factorization.

80775746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18448.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 80775746 is about 8987.5328093977. The cubic root of 80775746 is about 432.2752054446.

The spelling of 80775746 in words is "eighty million, seven hundred seventy-five thousand, seven hundred forty-six".