80946722 has 4 divisors (see below), whose sum is σ = 121420086. Its totient is φ = 40473360.

The previous prime is 80946703. The next prime is 80946731. The reversal of 80946722 is 22764908.

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

It can be written as a sum of positive squares in only one way, i.e., 77774761 + 3171961 = 8819^2 + 1781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20236679 + ... + 20236682.

Almost surely, 2^80946722 is an apocalyptic number.

80946722 is a deficient number, since it is larger than the sum of its proper divisors (40473364).

80946722 is a wasteful number, since it uses less digits than its factorization.

80946722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40473363.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 80946722 is about 8997.0396242320. The cubic root of 80946722 is about 432.5799858749.

The spelling of 80946722 in words is "eighty million, nine hundred forty-six thousand, seven hundred twenty-two".